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125 48 竖式

125×48,竖式计算。 =125x8x6 =1000x6 =6000

125×48 =5000

125×48×5 =125x8x6x5 =(125x8)x(6x5) =1000x30 =30000

39×48×125 =(40-1)×6×8×125 =(40-1)×6×(8×125) =(40-1)×6×1000 =(40-1)×(6×1000) =(40-1)×6000 =40×6000-6000 =24000-6000 =18000

125 就是这样 要对齐靠右 答案是15625 x 125 -------- 625 250 125 --------- 15625

如图

1除125,列式是125÷1,竖式计算如下图: 注:1除以125,列式是1÷125

32×125 =4×(8×125) =4×1000 =4000,

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