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125x48的竖式怎么列 图片

125x48=6000

解: 125x48 =125x8x6 =(125x8)x6 =1000x6 =6000

125x48 =125x(8x6) ==125x8x6 =1000x6(乘法结合律) =6000

依题意得,48=6*8。 ∴原式=125*8*6*50 =(125*8)*(6*50)(常用的简算方法:125*8=1000,25*4=100等) =1000*300 =300 000

125x48x25=125×8×6×25=1000×150=150000

原式等于 0.125×8×6×0.25 =1×6×0.25 =1.5 所以原式的计算结果为1.5

125×48 =125×8x6 =1000×6 =6000

125x25x48 =125x48x25 =125x8x6x25 =(125x8)x(6x25) =1000x150 =150000

125X25X48简便方法 =125x8x6x25 =1000x150 =150000

125x48x5 =125X8x6x5 =1000x30 =30000

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