Question

СРОЧНО ДО 18:50 ПЖ
1.19/21-2/3. .51/64-9/16. .22/39-11/26. .17/20-13/25.
2.2/3-3/8і7/24. .8/9-7/12і13/36

Answer 1

Ответ:

1. (19/21 - 2/3) = 25/63, (51/64 - 9/16) = 9/64, (22/39 - 11/26) = 15/78, (17/20 - 13/25) = 17/100.

2. (2/3 - 3/8 ÷ 7/24) = (25/72 - 21/56) = 2/56 = 1/28, (8/9 - 7/12 ÷ 13/36) = (32/36 - 21/36) = 11/36.

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