Четвертый, пятый и шестой пример

Question

Четвертый, пятый и шестой пример

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Answer 1

4) 11/24 + 4/24= 15/24 * 8/5 = 3/3 * 1/1 = 3/3 = 1
5) (5 1/2 + 2 3/5) * 5/9 = 11/2 + 13/5 = 55/10 + 26/10 = 81/10 * 5/9 = 9/2 * 1/1 = 9/2 =4 1/2

6) (7 - 2 5/16) * 4/25 = 6 16/16 - 2 5/16 = 96/16 - 32/16 = 64/16 * 4/25 = 64/4 * 1/25 = 64/100 =0,64