Предмет: Математика, автор: ivirt1

найдите ошибку в рассуждениях:  "рассмотримверное числовое равенство :35+10-45=42+12-54.  применим распределительный закон :5*(7+2-9)=6*(7+2-9).  разделим обе части этого равенства на множитель (7+2-9).  получим: 5=6".  и как это записать?

Ответы

Автор ответа: alpamys0298
0
как мы видим выражение 5*(7+2-9) и 6*(7+2-9) делят на (7+2-9) выражение которого равно 0, что запрещается

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