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5.1 7. (×+5/12)-7/6=1,25. 1 7\3 *3\5. (-3,7×5,6-1,3×5,6)÷(-0,014×2,5). 2 1/3 5/8-8/3 -2 1 3/7.
(×+5/12)-7/6=1,25. 1 7\3 *3\5. (-3,7×5,6-1,3×5,6)÷(-0,014×2,5). 2 1/3 5/8-8/3 -2 1 3/7.