www.ndwl.net > 0.264×519+264×0.481=?用简便方法

0.264×519+264×0.481=?用简便方法

0.264×519+264×0.481 =0.264*(519+481) =0.264*1000 =264

0.264x519+264x0.481 =0.264x(1000x0.519)+264x0.481 =0.264x1000x0.519+264x0.481 =264x0.519+264x0.481 =264x(0.519+0.481) =264x1 =264

0.264×519+264×0.481怎么巧算? 0.264×519+264×0.481 =0.264x519+0.264x481 =0.264x(519+481) =0.264x1000 =264

0·264x519十264x0·481 =0.264×519+0.264×481 =0.264×(519+481) =0.264×1000 =264 此题的关键在于:在一个乘法算式中,如果一个因数乘(或除以)几,另一个因数除以(或乘)相同的数(0除外),那么积不变 。246×0.481=(246÷1000)×(0.481×1000)=0.24...

作业帮简便计算0.264X519+264X0.481 0.264X519+264X0.481 =0.264*519+0.264*481 =0.264*(519+481) =0.264*1000 =264

0.264✘519+264✘0.481 =264x0.519+264x0.481 =264x(0.519+0.481) =264x1 =264

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