7.25×7.87+72.5x0.213简便计算怎么做?
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7.25×7.87+7.25×0.213
=7.25×7.87+7.25×2.13
=7.25×(7.87+2.13)
=7.25×10
=72.5
=7.25×7.87+7.25×2.13
=7.25×(7.87+2.13)
=7.25×10
=72.5
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7.25×7.87+72.5x0.213简便计算怎么做?
7.25×7.87+72.5x0.213
=72.5X(7.87+0.213)
=72.5X8.083
=586.0715
7.25×7.87+72.5x0.213
=72.5X(7.87+0.213)
=72.5X8.083
=586.0715
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