125x64x25的简便计算

125x64x25=125x8x8x25=1000x200=200000

125x25x64=125*25*8*8=125*8*25*8=1000*25*4*2=1000*100*2=200000

125x25x64=125*8 *25*4*2=1000*100*2=200000

125*64 =125*8*8 =1000*8 =8000. 请点击右下角的 [采纳答案] 谢谢.

解:原式=125x25x(8x4x2)x5=(125x8)x(25x4)x(2x5)=1000x100x10=1000000

125x25x64 =125x25x(8x4x2) =125x8x(25x4)x2 =1000x100x2 =200000

=125*25*(8*4*2)=(125*8)*(25*4)*2=1000*100*2=200000

简便计算125X64X2515=125x(2x4x8)x25x15=(125x8)x(25x4)x(15x2)=1000x100x30=3000000 再看看别人怎么说的.

=5X15X125X25X8X8=5X8X15X125X8X25=40X15X1000X25=1000X1000X15=15000000

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