Предмет: Математика, автор: ЛанаКим

5 третьих классов 75 мальчиков а девочек В каждом классе на 3 меньше чем мальчиков сколько девочек в этих классах Сколько учеников В каждом классе

Ответы

Автор ответа: SZHENUA839
0

1) 75:5=15 (мальчиков в каждом классе)

2)15-3=12(девочек в каждом классе)

3)12Х5=60 (девочек в пяти третьих классах)

4)12+15=27(учеников в каждом классе)

Автор ответа: Anzelika11111
0
1) 75:5=15(м) - в одном классе.
2) 15-3= 12 ( д) - в одном классе.
3) 12*5= 60 ( д) - в пяти классах.
4)75+60=135( у) - в пяти классах.
5) 135:5=27( у) - в одном классе.
Ответ: 27 учеников.
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