(1 1\2+2 2\3 +3 3\4) •3\5. 14-15 1\8:2 1\5

Question

(1 1\2+2 2\3 +3 3\4) •3\5. 14-15 1\8:2 1\5

Answer 1

N 1
1) 1 1/2 + 2 2/3 + 3 3/4 = 1 6/12 + 2 8/12 + 3 9/12 = 6 23/12 = 7 11/12
2) 7 11/12 • 3/5 = 95/12 • 3/5 = 19/4 = 4 3/4
Ответ 4 3/4
N 2
1) 15 1/8 : 2 1/5 = 121/8 : 11/5 = 55/8 = 6 7/8
2) 14 - 6 7/8 = 13 8/8 - 6 7/8 = 7 1/8
Ответ 7 1/8