Вот с решением:)))))))
Пошаговое объяснение:
№1
-5 7/9 + (-2 4/9) = -5 7/9 - 2 4/9 = -7 11/9 = -8 2/9
№2
-8 2/15 + (-7 1/18) = -8 2/15 - 7 1/18 = -8 12/90 - 7 5/90 = -15 17/90
№3
6 1/6 + (-2 2/7) = 6 1/6 - 2 2/7 = 6 7/42 - 2 12/42 = 5 49/42 - 2 12/42 = 3 37/42
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Verified answer
Вот с решением:)))))))
Пошаговое объяснение:
№1
-5 7/9 + (-2 4/9) = -5 7/9 - 2 4/9 = -7 11/9 = -8 2/9
№2
-8 2/15 + (-7 1/18) = -8 2/15 - 7 1/18 = -8 12/90 - 7 5/90 = -15 17/90
№3
6 1/6 + (-2 2/7) = 6 1/6 - 2 2/7 = 6 7/42 - 2 12/42 = 5 49/42 - 2 12/42 = 3 37/42