Ответ:
55
Пошаговое объяснение:
1) 3 1/3 + 1,25 = 3 1/3 + 1 25/100 = 3 1/3 + 1 1/4 = 3 4/12 + 1 3/12 = 4 7/12
2) 1 1/6 * 2 1/10 = 7/6 * 21/10 = 7/2 * 7/10 = 49/20 = 2 9/20
3) 2 8/15 - 2 9/20 = 2 32/60 - 2 27/60 = 5/60 = 1/12
4) 4 7/12 : 1/12 = 55/12 * 12/1 = 55/1 * 1/1 = 55/1 = 55
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Answers & Comments
Ответ:
55
Пошаговое объяснение:
1) 3 1/3 + 1,25 = 3 1/3 + 1 25/100 = 3 1/3 + 1 1/4 = 3 4/12 + 1 3/12 = 4 7/12
2) 1 1/6 * 2 1/10 = 7/6 * 21/10 = 7/2 * 7/10 = 49/20 = 2 9/20
3) 2 8/15 - 2 9/20 = 2 32/60 - 2 27/60 = 5/60 = 1/12
4) 4 7/12 : 1/12 = 55/12 * 12/1 = 55/1 * 1/1 = 55/1 = 55