0.375×16.6+6.25×7.66怎么简算
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0.375×16.6+6.25×1.65
=0.375×10×1.66+6.25×1.65
=3.75×1.66+6.25×1.65
=3.75×(1.65+0.01) + 6.25×1.65
=3.75×1.65+3.75×0.01+6.25×1.65
=1.65×(3.75+6.25)+0.0375
=1.65×10+0.0375
=16.5 + 0.0375
=16.5375
=0.375×10×1.66+6.25×1.65
=3.75×1.66+6.25×1.65
=3.75×(1.65+0.01) + 6.25×1.65
=3.75×1.65+3.75×0.01+6.25×1.65
=1.65×(3.75+6.25)+0.0375
=1.65×10+0.0375
=16.5 + 0.0375
=16.5375
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