Ответ:
Пошаговое объяснение:
1) 2/9+3/5 = 10/45 + 27/45 = 37/45.
2). 4/9+6/1 = 6 4/9.
3). 1/18+5/12 = 2/36 + 15/36 = 17/36.
4) 3/10+2/15 = 9/30 + 4/30 = 13/30.
5)6/7-2/3 = 18/21 - 14/21 = 4/21.
6). 11/12-5/6 = 11/12 - 10/12 = 1/12.
7). 7/12-3/8 = 14/24 - 9/24 = 5/24.
8). 9/14-17/35 = 45/70 - 34/70 = 11/70.
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Answers & Comments
Ответ:
Пошаговое объяснение:
1) 2/9+3/5 = 10/45 + 27/45 = 37/45.
2). 4/9+6/1 = 6 4/9.
3). 1/18+5/12 = 2/36 + 15/36 = 17/36.
4) 3/10+2/15 = 9/30 + 4/30 = 13/30.
5)6/7-2/3 = 18/21 - 14/21 = 4/21.
6). 11/12-5/6 = 11/12 - 10/12 = 1/12.
7). 7/12-3/8 = 14/24 - 9/24 = 5/24.
8). 9/14-17/35 = 45/70 - 34/70 = 11/70.