Ответ:
1.
а)3 4/7 - 2 3/5 =2-2 = 34/35
4/7 3/5
55/35 - 21/35 =34/35
Б)
6 5/6 + 2 3/8 = 8 = 1 5/24=9 5/24
5/6 3/8
20/24 + 9/24= 29/24 = 1 5/24
В) 5 1/4
2.
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Ответ:
1.
а)3 4/7 - 2 3/5 =2-2 = 34/35
4/7 3/5
55/35 - 21/35 =34/35
Б)
6 5/6 + 2 3/8 = 8 = 1 5/24=9 5/24
5/6 3/8
20/24 + 9/24= 29/24 = 1 5/24
В) 5 1/4
2.