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2.7×0.6×0.5的简便运算怎么算?
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2.7×0.6×0.5
=2.7×(0.6×0.5)
=2.7×3
=(3.0-0.3)×3
=3×3-0.3×3
=9-0.9
=8.1
=2.7×(0.6×0.5)
=2.7×3
=(3.0-0.3)×3
=3×3-0.3×3
=9-0.9
=8.1
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