Автор - tdima2780

-4,2+6/1/3+-2,8. -3/2/9+4,5+-2/7/9​

Ответ

Автор - SashokVip007

Ответ:

1)-4,2 + 6/1/3 +(-2,8) = -4,2 + 6 * 3 - 2,8 = 18 - 7 = 11

2) -3/2/9+4,5-2/7/9= -3/2 * 1/9 + 9/2 - (2/7*1/9) = -1/2 * 1/3 + 9/2 - 2/63 = -1/6 + 9/2 - 2/63 = 271/63

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