Предмет: Математика, автор: egumennova

бабушке 72 года а возраст её внучки составляет 2/8 от возраста бабушки сколько лет внучки?
2)Каждые две минуты наполняется 1/9 ванны. Через сколько минут ванна наполниться?
3) на дереве сидели 24 обезьянки 4/6 из них ели бананы сколько обезьянок ели бананы?
4) Девочка купила игрушки израсходовав на покупку 9/15 своих денег и у неё осталось 84 р сколько денег было у девочки?
5) скорость самолёта 980 км/ч а скорость шмеля составляет 4/196 от скорости самолёта. Какова скорость шмеля?

Ответы

Автор ответа: steve20112001
11
1)72/8×2=18 лет
2)2×9=18 минут
3)24/6×4=16 обезьян
4)84/6×15=240 руб
5)980/196×4=20 км/ч

Miniyur: 4-ое проверь
steve20112001: 4)=210руб
Miniyur: У меня 126 получилось
steve20112001: это сколько у неё осталось денег
Miniyur: аааа спасибо
steve20112001: а в вопросе сколько было у неё денег
Miniyur: Ты то у себя в решении поправь
Автор ответа: Miniyur
8
1)Внучке 72*2/8=18 2)9*2=18 минут 3)24*4/6=16 4)84/6=14; 14*9=126; 126+84=210 5) 980*4/196=20км/ч
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