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kruglenkonata804

Пошаговое объяснение:

(2.5-2 1/3)×(-5 1/7)+1 1/3÷(-5.6)=-1 2/21

2.5-2 1/3=2 1/2-2 1/3=2 3/6-2 2/6=1/6

1/6*(-5 1/7)=-1/6*36/7=-6/7

1 1/3÷(-5.6)=-4/3*5/28=-5/21

-6/7-5/21=(-18-5)/21=-23/21=-1 2/21

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