
括号0.81×0.75×0.48,除以括号0.25×0.24×0.27怎么做?
2个回答
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(0.81×0.75×0.48)÷(0.25×0.24×0.27)
=0.81×0.75×0.48÷0.25÷0.24÷0.27
=(0.81÷0.27)×(0.75÷0.25)×(0.48÷0.24)
=3×3×2
=18
=0.81×0.75×0.48÷0.25÷0.24÷0.27
=(0.81÷0.27)×(0.75÷0.25)×(0.48÷0.24)
=3×3×2
=18
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