
2.65×2.4+33点5×0.24-2点四用简便方法怎么算
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2.65×2.4+33.5×0.24-2.4
=2.65×2.4+3.35×10×0.24-1×2.4
=2.65×2.4+3.35×2.4-1×2.4
=2.4×(2.65+3.35-1)
=2.4×5
=12
=2.65×2.4+3.35×10×0.24-1×2.4
=2.65×2.4+3.35×2.4-1×2.4
=2.4×(2.65+3.35-1)
=2.4×5
=12
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