Ответ:
Пошаговое объяснение:
г) 39 45/54 + 12 30/54 = 51 75/54 = 52 21/54 52 7/18
д) 36 5/7 + 12 7/8 = 36 40/56 + 12 49/56= 48 89/56 = 49 33/56
е) 5 2/3+ 3/4 = 5 8/12 + 9/12= 5 17/12 = 6 5/12
г) 7 3/8 - 5 = 2 3/8
д) 45 - 44 3/8 = 5/8
е) 6 7/15 - 3 1/5 = 6 7/15 - 3 3/15 = 3 4/15
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Ответ:
Пошаговое объяснение:
г) 39 45/54 + 12 30/54 = 51 75/54 = 52 21/54 52 7/18
д) 36 5/7 + 12 7/8 = 36 40/56 + 12 49/56= 48 89/56 = 49 33/56
е) 5 2/3+ 3/4 = 5 8/12 + 9/12= 5 17/12 = 6 5/12
г) 7 3/8 - 5 = 2 3/8
д) 45 - 44 3/8 = 5/8
е) 6 7/15 - 3 1/5 = 6 7/15 - 3 3/15 = 3 4/15