Ответ4) = - 1/7 5) = 1/4 6) =5/6
Пошаговое объяснение:
4) - 5/7 + 4/7 = -5 + 4/7= -1/7
5) -5/8 + 7/8= -5+7/8=2/8=1/4
6) -1/6 + 1= -1+6/6= 5/6
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5)= -5+7/8=2/8= 1/4
6) = -1+6/6= 5/6
Ответ4) = - 1/7 5) = 1/4 6) =5/6
Пошаговое объяснение:
4) - 5/7 + 4/7 = -5 + 4/7= -1/7
5) -5/8 + 7/8= -5+7/8=2/8=1/4
6) -1/6 + 1= -1+6/6= 5/6