Help!!!! - вопрос №125395

Вычислите изображение из вопроса

1)изображение из вопроса

2)изображение из вопроса

3)изображение из вопроса

4)изображение из вопроса

 

Упростите иррациональное выражение изображение из вопроса

1)изображение из вопроса

2)<span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>22          </span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span class="Apple-style-span" style="font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 13px; white-space: normal;"></span></span></span>

3)изображение из вопроса

<span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span class="Apple-style-span" style="font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 13px; white-space: normal;"></span></span></span> 

4)22

 


 


 Найдите изображение из вопроса

<span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>1) -2 </span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>2)<span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span> 2 или 2</span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>3)2</span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><br /></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="color: black; font-family: 'Times New Roman CYR'; font-size: medium;"><span>Найдите значение выражения </span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_qtest_2281402_6_1_image001.gif" alt="" /></span></span><br /></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>1)<img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_test_2281402_6_1_image001.gif" alt="" /></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>2)<img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_test_2281402_6_4_image001.gif" alt="" /></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>3)<img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_test_2281402_6_2_image001.gif" alt="" /></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>4)<img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_test_2281402_6_3_image001.gif" alt="" /></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><br /></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>Какая из перечисленных дробей является смешанной периодической дробью?</span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>1)8,(11)</span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>2)3,14</span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>3)7,(3)</span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>4)2,75(12)</span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><br /></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>Укажите натуральный ряд чисел</span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>1)....<span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>9, </span></span><span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>8, </span></span><span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>7, </span></span><span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>6, </span></span><span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>5, </span></span><span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>4, </span></span><span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>3, </span></span><span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>2, </span></span><span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>2)-1, -2, -3, -4, -5, -6, -7, -8, -9</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>3)0, 1, 2, 3, 4, 5, 6, 7, 8, 9, …</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>4)1, 2, 3, 4, 5, 6, 7, 8, 9, …</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><br /></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>Выполните действия <img src="http://zeus.open-edu.ru/mod/quiz/quiz_images/questpic_qtest_2281402_306_1_image001.gif" alt="" /><br /></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>1)1000</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>2)100</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>3)10000</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><br /></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>Найдите значение выражения <img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_qtest_2281402_4_1_image001.gif" alt="" /> при </span></span><em><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span lang="EN-US">a</span></span></em><span style="font-family: Symbol; font-size: medium;"><span>=</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span> 2</span></span><br /></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>1)2</span></span></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>2)1</span></span></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: small;">3)<img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_test_2281402_4_2_image001.gif" alt="" /></span><span style="font-family: 'Times New Roman CYR'; font-size: small;">4)<img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_test_2281402_4_1_image001.gif" alt="" /></span><span style="font-family: 'Times New Roman CYR'; font-size: small;"><br /></span>

Какое из перечисленных чисел является иррациональным?

1)4,99

 

2)5,4(15)

 

<span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>3)<img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_test_2281402_312_4_image001.gif" alt="" />   4)3,141592…  <br />Какие числа называются целыми?    </span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>1)положительные</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>2)натуральные числа, числа противоположные натуральным, и число 0</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>3)натуральные числа и числа противоположные натуральным</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><br /></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>Вычислите <img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_qtest_2281402_126_1_image001.gif" alt="" /><br /></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>1)3,4</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>2)0,3</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>3)0,03</span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><br /></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="color: black; font-family: 'Times New Roman CYR'; font-size: medium;"><span>Упростите </span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_qtest_2281402_2_1_image001.gif" alt="" /></span></span><br /></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>1)<img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_test_2281402_2_1_image001.gif" alt="" /></span></span></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>2)<img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_test_2281402_2_3_image001.gif" alt="" /></span></span></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>3)<img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_test_2281402_2_2_image001.gif" alt="" /></span></span></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>4)<img src="http://www.open-edu.ru/mod/quiz/quiz_images/questpic_test_2281402_2_4_image001.gif" alt="" /></span></span></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><br /></span></span></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>Сколько целых чисел удовлетворяют неравенству </span></span><span style="font-family: Symbol; font-size: medium;"><span>-</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>8 </span></span><span style="font-family: Symbol; font-size: medium;"><span><</span></span><em><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span lang="EN-US">x</span></span></em><span style="font-family: Symbol; font-size: medium;"><span><</span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span> 4?</span></span><br /></span></span></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>1)9</span></span></span></span></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span><span style="font-family: 'Times New Roman CYR'; font-size: medium;"><span>2)12</span></span></span></span></span></span></span></span></span></span></span></span><span style="font-family: 'Times New Roman CYR'; font-size: small;">3)10</span><span style="font-family: 'Times New Roman CYR'; font-size: small;">4)11</span>

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ответов пока нет

Михаил Александров

от 0 p.
Эксперт месяца
Читать ответы

Андрей Андреевич

от 70 p.
Читать ответы

Eleonora Gabrielyan

от 0 p.
Читать ответы
Посмотреть всех экспертов из раздела Учеба и наука > Математика
Пользуйтесь нашим приложением Доступно на Google Play Загрузите в App Store