Пошаговое объяснение:
4
-2/23-6/23= - 8/23
5
-4 7/37-1 1/37= - 5 8/37
6
-1/6-2/7= - (1/6+2/7)= - (7/42+12/42)=
= - 19/42
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Пошаговое объяснение:
4
-2/23-6/23= - 8/23
5
-4 7/37-1 1/37= - 5 8/37
6
-1/6-2/7= - (1/6+2/7)= - (7/42+12/42)=
= - 19/42