計(jì)算下列算式,要求簡便
計(jì)算下列算式,要求簡便
41.2×8.1+11×9.25+537×0.19
41.2×8.1+11×9.25+537×0.19
其他人氣:119 ℃時(shí)間:2020-06-18 08:51:52
優(yōu)質(zhì)解答
41.2×8.1+11×9.25+537×0.19=41.2*8.1+53.7*1.9+11*9.25 =41.2*(10-1.9)+53.7*1.9+11*9.25 =41.2*10-(41.2-53.7)*1.9+11*9.25 =412+12.5*1.9+11*9.25 =412+(1.1+0.8)*12.5+1.1*92.5 =412+10+(12.5+92.5)*1...
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