1.25X0.25X3.2简算

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1.25X0.25X3.2简算1.25X0.25X3.2简算1.25X0.25X3.2简算1.25X0.25X3.2=(1.25×0.8)×(0.25×4)=1×1=1=1.25X0.25X0.8X4

1.25X0.25X3.2简算
1.25X0.25X3.2简算

1.25X0.25X3.2简算
1.25X0.25X3.2
=(1.25×0.8)×(0.25×4)
=1×1
=1

=1.25X0.25X0.8X4
=1.25X0.8X(0.25X4)
=1X1
=1