Маляр Юрий Викторович (bender79)
Бизнес (Домашний бизнес, Бизнес в Интернете, ), Источники дохода)
Учеба и наука (Математика, Литература, ), Информатика, Иностранные языки, Учеба за границей, Русский язык, География, Английский язык)
Образование
Время консультирования
Рассказать друзьям
Понравился эксперт? Порекомендуй друзьям в соцсетях.
Исходное число = х
когда поставили 3, то получилось 300+x, далее 300+x=x*4+39
х=87
проверка:
300+87=87*4+39
387=387
47.2
36.2
23.6
1 сторона = а
2 сторона = а-11
3 сторона = а/2
а+а-11+а/2=107
а=47.2 (1 сторона)
а-11=36.2 (2 сторона)
а/2=23.6 (3 сторона)
Is he her son?
Is she so selfish?
Does he watch TV until midnight regularly?
Do they go to Turkey on vacation?
Did she come to me for my birthday?
Do they think so about us?
Is this voice belongs to her?
Is it a good runner? He is so small.
Is this true?
Did he help her make this work?
Did she agree to do this?
Did you read this book so quickly?
Did they accept our offer?
Did you see it with your own eyes?
Did she swim too far from shore?
Did he visit all these wonderful places?
Are you ripped my note?
Did she lose all the money?
Is rain falls from the morning
Are they working now? It’s 6 o’clock already.
Is it snowing? Look.
Is he doing the lessons from 5 o’clock?
