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简便计算:(9.1X4.8X7.5)/(0.25X1.3X1.6)
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简便计算:(9.1X4.8X7.5)/(0.25X1.3X1.6)
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答案和解析
(9.1×4.8×7.5)÷(0.25×1.3×1.6)
=(9.1÷1.3)×(4.8÷1.6)×(7.5÷0.25)
=7×3×30
=630
=(9.1÷1.3)×(4.8÷1.6)×(7.5÷0.25)
=7×3×30
=630
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