kirilenkonastya
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Answers & Comments
Пошаговое объяснение:
1.
2.
3.
Ответ:
Пошаговое объяснение:
1) 2/3a * 7/12b = 14/36ab = 7/18ab
2) 8/9x * 1 4/5y = 8/9x * 9/5y = 8/5xy = 1 3/5xy
3) 5m * 2 6/11n * 2 5/14k =
5m * (28/11n * 33/14k) =
5m * (2/1n * 3/1k) =
5m * 6nk = 30mnk