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125x25 4简便运算

用简便方法计算125X25X4125X25X4=125*(25*4)=125*100=12500

解:125X25X4 =125X(25X4) =125X100 =12500朋友,还有不懂的地方,请追问,如果懂了,就采纳了呗.

=125x4+25x4=500+100600

(125X25)X4=25*4*125=100*125=12500

125*(25*4)=125*100=12500

(125x25)x4=125x25x4=125x100=1250088x102=88x100+88x2=8800+176=8976

125x32x25=(125x8)x(4x25)=1000x100=100000

先算25*4=100,在乘以125得12500

125x25x4x4用简便计算=(125x4)x(25x4)=500x100=50000

先算括号里的,再算乘4

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