Question

{2(3×-×)-5=2×-2× {5(2-2×)+16=4×+16
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Answer 1

Ответ:

2 2/3 * 9/32 * 5 1/3 = 8/3 * 9/32 * 16/3 = 3/4 * 16/3 = 4

4 2/5 * 15/77 * 7/20 = 22/5 * 15/77 * 7/20 = 6/7 * 7/20 = 3/10

18/25 * 10/27 * 7 1/2 = 18/25 * 10/27 * 15/2 = 4/15 * 15/2 = 2

5 2/5 * 40/81 * 15/16 = 27/5 * 40/81 * 15/16 = 24/9 * 15/16 = 15/6 = 2 3/6 = 2 1/2