Ответ:
10: ( 2 12/17 + 1 5/17 ) - ( 3 4/5 + 1 3/5 ) : 6 = 1,6 или 1 3/5
1) 2 12/17 + 1 5/17 = 3 17/17 = 4
2) 3 4/5 + 1 3/5 = 4 7/5 = 5 2/5
3) 10:4 = 2,5
4) 5 2/5 = 5,4 = 5,4:6 = 0,9
5) 2,5 - 0,9 = 1,6
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Ответ:
10: ( 2 12/17 + 1 5/17 ) - ( 3 4/5 + 1 3/5 ) : 6 = 1,6 или 1 3/5
1) 2 12/17 + 1 5/17 = 3 17/17 = 4
2) 3 4/5 + 1 3/5 = 4 7/5 = 5 2/5
3) 10:4 = 2,5
4) 5 2/5 = 5,4 = 5,4:6 = 0,9
5) 2,5 - 0,9 = 1,6