
2.4x1.02和12.5x0.96x0.8的简便计算
2个回答
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2.4x1.02+12.5x0.96x0.8
=2.4x(1+0.02)+12.5x0.8x0.96
=2.4+0.48+10x0.96
=2.88+9.6
=2.88+(10-0.4)
=12.88-0.4
=12.48
=2.4x(1+0.02)+12.5x0.8x0.96
=2.4+0.48+10x0.96
=2.88+9.6
=2.88+(10-0.4)
=12.88-0.4
=12.48
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