2.4x5.5x1.5怎么简便运算
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简算如下:
2.4×5.5×1.5
=2.4×(5+0.5)×1.5
=(2.4×5+2.4×0.5)×1.5
=(12+1.2)×1.5
=13.2×(1+0.5)
=13.2×1+13.2×0.5
=13.2+6.6
=19.8
2.4×5.5×1.5
=2.4×(5+0.5)×1.5
=(2.4×5+2.4×0.5)×1.5
=(12+1.2)×1.5
=13.2×(1+0.5)
=13.2×1+13.2×0.5
=13.2+6.6
=19.8
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简算如下:
2.4×5.5×1.5
=2.4×(5+0.5)×1.5
=(2.4×5+2.4×0.5)×1.5
=(12+1.2)×1.5
=13.2×(1+0.5)
=13.2×1+13.2×0.5
=13.2+6.6
=19.8
2.4×5.5×1.5
=2.4×(5+0.5)×1.5
=(2.4×5+2.4×0.5)×1.5
=(12+1.2)×1.5
=13.2×(1+0.5)
=13.2×1+13.2×0.5
=13.2+6.6
=19.8
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2.4x5.5X1.5
=2.4Ⅹ(1十0.5)X5.5
=3.6X5.5
=3.6X(5+0.5)
=18+1.8
=19.8
=2.4Ⅹ(1十0.5)X5.5
=3.6X5.5
=3.6X(5+0.5)
=18+1.8
=19.8
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2.4×5.5×1.5
=13.2×1.5
=19.8
=13.2×1.5
=19.8
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评论
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你对这个回答的评价是?
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