Предмет: Математика, автор: culi42

Вычислите значение выражения 21*13-5*21 дробная черта 14*13+3*14

Ответы

Автор ответа: shayaxmetovayu
0
1)21*13-5*21=273-105=168 
2)14*13+3*14=182+42=224
3)168:224=0,75=3/4 
Ответ : 3/4
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