срочно решите (мама скоро дома будет ​) плииииииииз
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1) 1 целая 1/8 ÷ 3/4 = 1 целая 1/8 × 4/3 = 9/8 × 4/3 = 9×4/8*3=36/24=3/2

2) 3 целых 3/5 ÷ 2 целых 7/10 = 18/5 ÷ 27/10 = 18/5 ×10/27 = 18×10/5×27 = 180/135=4/3

3)  1) 4 целых 3/7 ÷ 1/7 =  31/7 ÷ 1/7 = 31/7 × 7/1 = 31/1 = 31

     2) 1 целая 5/6 × 3 = 11/6 × 3 = 11 × 3 / 6 = 33/6= 11/2

     3) 31 - 11/2 = 62/3 - 11/2 = 62-11 / 3= 51/3