Ответ:
Пошаговое объяснение:
№14
1) 5/18 - 11/12 = 10/36 - 33/36 = -23/36
2) -23/36 : 5/9 = -23/36 * 9/5 =
-23/4 * 1/5 = -23/20 = -1. 3/20
№15
1) 5/12 - 9/20 = 25/60 - 27/60 = -2/60 = -1/30
2) -1/30 : 2/15 = -1/30 * 15/2 = -1/2 * 1/2 = -1/4
№16
1) 5/12 + 11/20 = 25/60 + 33/60 = 58/60 = 29/30
2) 29/30 : 2/15 = 29/30 * 15/2 = 29/2 * 1/2 = 29/4 = 7. 1/4
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Verified answer
Ответ:
Пошаговое объяснение:
Ответ:
Пошаговое объяснение:
№14
1) 5/18 - 11/12 = 10/36 - 33/36 = -23/36
2) -23/36 : 5/9 = -23/36 * 9/5 =
-23/4 * 1/5 = -23/20 = -1. 3/20
№15
1) 5/12 - 9/20 = 25/60 - 27/60 = -2/60 = -1/30
2) -1/30 : 2/15 = -1/30 * 15/2 = -1/2 * 1/2 = -1/4
№16
1) 5/12 + 11/20 = 25/60 + 33/60 = 58/60 = 29/30
2) 29/30 : 2/15 = 29/30 * 15/2 = 29/2 * 1/2 = 29/4 = 7. 1/4