Автор - Dasha236249320002013

-8/9*12,25*1 1/8-(-2,25)

Ответ

Проверено экспертом

Автор - prettypushkova


- 8/9 * 12,25 * 1 1/8 - (- 2,25) = - 10

1) - 8/9 * 12 25/100 = - 8/9 * 1225/100 = - 9800/900 = - 10 8/9

2) - 10 8/9 * 1 1/8 = - 98/9 * 9/8 = - 98/8 = - 12,25

3) - 12,25 - (- 2,25) = - 12,25 + 2,25 = - 10 

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