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题文
(1)[5-3÷(+2.25×)]÷12.5 (2)0.8÷(×1.25)÷(0.64-)+1.2×0.5÷ (3)8÷[(7.35-5)÷1.02]+79.5× (4)1.8+3-1. |
题型:解答题 难度:中档
答案
(1)[5-3÷(+2.25×)]÷12.5, =[5-3÷(+0.75)]÷12.5, =[5-3÷3.25]÷12.5, =[5-]÷12.5, =3÷12.5, =;
(2)0.8÷(×1.25)÷(0.64-
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