11 7/12 - (3 - 1 7/12): 7/16 + 3/14 = 8 11/21
1) 3 - 1 7/12 = 2 12/12 - 1 7/12 = 1 5/12
2) 1 5/12 : 7/16 = 17/12:7 /16 = 17/12*16/7 = 68/ 21 = 3 5/21
3) 11 7/12- 3 5/21 = 11 49/84 - 3 20/84 = 8 29/84
4)8 29/84 + 3/14 = 8 26/84 + 18/84 = 8 44/84 = 8 11/ 21
Ответ: 8 11/21
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11 7/12 - (3 - 1 7/12): 7/16 + 3/14 = 8 11/21
1) 3 - 1 7/12 = 2 12/12 - 1 7/12 = 1 5/12
2) 1 5/12 : 7/16 = 17/12:7 /16 = 17/12*16/7 = 68/ 21 = 3 5/21
3) 11 7/12- 3 5/21 = 11 49/84 - 3 20/84 = 8 29/84
4)8 29/84 + 3/14 = 8 26/84 + 18/84 = 8 44/84 = 8 11/ 21
Ответ: 8 11/21