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计算,能简算的要简算.435−(35−78)47×518+37÷1851110÷〔56×(37−38)〕(712−38+23)÷1242.5×(1.9+1.9+1.9+1.9)5.4÷18+12.
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▼优质解答
答案和解析
(1)435−(35−78),=435−35+78,=4+78,=478;(2)47×518+37÷185,=(47+37)×518,=1×518,=518;(3)1110÷〔56×(37−38)〕,1110÷[56×37−56×38],=1110÷[24-21],=1110÷3,=370;(4)(712−38+...
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