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6.7+4.95+3.3283.75-(42.73-13.25)17.56-3.87-6.135.5+9.18+0.82+3.523.5+0.9+11.515.49-3.3-5.49.

题目详情
6.7+4.95+3.3         283.75-(42.73-13.25)
17.56-3.87-6.13      5.5+9.18+0.82+3.5
23.5+0.9+11.5        15.49-3.3-5.49.
6.7+4.95+3.3         283.75-(42.73-13.25)6.7+4.95+3.3        283.75-(42.73-13.25) 17.56-3.87-6.13      5.5+9.18+0.82+3.517.56-3.87-6.13     5.5+9.18+0.82+3.5 23.5+0.9+11.5        15.49-3.3-5.49.23.5+0.9+11.5       15.49-3.3-5.49.
▼优质解答
答案和解析
(1)6.7+4.95+3.3 =(6.7+3.3)+4.95 =10+4.95=14.95;(2)283.75-(42.73-13.25)=283.75-42.73+13.25=(283.75+13.25)-42.73=297-42.73=254.27;(3)17.56-3.87-6.13     ...