0.88×125巧算

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0.88×125巧算0.88×125巧算0.88×125巧算首先125×8=10000.88=0.8+0.080.88×125=(0.8+0.08)*125=100+10=1100.88×125=0.

0.88×125巧算
0.88×125巧算

0.88×125巧算
首先125×8=1000
0.88=0.8+0.08
0.88×125=(0.8+0.08)*125
=100+10
=110

0.88×125
=0.11x8x125
=0.11x1000
=110

=0.88x125
=0.11x8x125
=0.11x1000
=110

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0.11×﹙8×125﹚=0.11×1000=110