Предмет: Математика, автор: алекс858

реши уравнения.с·9=720,720÷а=9,х÷9=80.

Ответы

Автор ответа: KaterinaTheCleverest

0

1. С*9= 720
С=720:9
С=80
80*9=720
2. 720:а=9
А= 720:9
А=80
720:80=9
3. х:9=80
Х=80*9
Х=720
720:9=80

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