Question

решите пример Е на странице 39 и А на странице 40

Answer 1

25/4*8/1 - 11/3*11/2 + 12/5*55/12 = 50- 121/6 +11= 234-121/6= 18 5/6
2/1*5/3 + 3/5*1/2 + 3/2*1/6 + 6/1*2/3 = 10/3 + 3/10 1/4 + 4/1 = 200+18+15+240/60 = 473/60 = 7 53/60

Answer 2

Решение в приложении.
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