Предмет: Математика, автор: dino699

сколько будет 9x+300=1200

Ответы

Автор ответа: valeriya902

1

9х=-300+1200
9х=900
Х=100

Автор ответа: WiceDraconic1011

0

1200-300:9=100

Проверка: 100x9+300=1200

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