25X32X125(用简便算法)例如:12X12X12===

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25X32X125(用简便算法)例如:12X12X12===25X32X125(用简便算法)例如:12X12X12===25X32X125(用简便算法)例如:12X12X12===25×32×125=

25X32X125(用简便算法)例如:12X12X12===
25X32X125(用简便算法)
例如:12X12X12
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=
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25X32X125(用简便算法)例如:12X12X12===
25×32×125
=25×4×8×125
=(25×4)×(8×125)
=100×1000
=100000

25X32X125(
=25X(4X8)X125
=(25X4)X(8X125)
=100X1000
=100000

25X32X125
=25*(4*8)*125
=(25*4)*(8*125)
=100*1000
=100000