Автор - maral308510

X+7=16. X-7=7. 13-x=5. X•9=72. 63:x=9. X:7=8

Ответ

Автор - kpot593150
Х+7=16
Х=16-7
Х=9.
Х-7=7
Х=7+7
Х=14.
13-Х=5
Х=13-5
Х=8.
Х*9=72
Х=72:9
Х=8.
63:Х=9
Х=63:9
Х=7.
Х:7=8
Х=8*7
Х=56.

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