0.25乘1.63乘4和6.3乘10.1还有7.2乘9.9的简算

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0.25乘1.63乘4和6.3乘10.1还有7.2乘9.9的简算0.25乘1.63乘4和6.3乘10.1还有7.2乘9.9的简算0.25乘1.63乘4和6.3乘10.1还有7.2乘9.9的简算=0.2

0.25乘1.63乘4和6.3乘10.1还有7.2乘9.9的简算
0.25乘1.63乘4和6.3乘10.1还有7.2乘9.9的简算

0.25乘1.63乘4和6.3乘10.1还有7.2乘9.9的简算
=0.25X4X1.63
=6.3X10+0.63
=7.2X10-0.72