1.25×4.9+0.125的简便方法?
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1.25×4.9+0.125
=1.25X4.9+1.25×0.1
=1.25×(4.9+0.1)
=1.25×5
=6.25
=1.25X4.9+1.25×0.1
=1.25×(4.9+0.1)
=1.25×5
=6.25
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1.25ⅹ4.9+0.125
=1.25ⅹ4.9+1.25x0.1
=1.25x(4.9+0.1)
=1.25ⅹ5
=6.25
=1.25ⅹ4.9+1.25x0.1
=1.25x(4.9+0.1)
=1.25ⅹ5
=6.25
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展开全部
1.25×4.9+0.125
=1.25×4.9+1.25×0.1
=1.25×(4.9+0.1)
=1.25×5
=6.25
=1.25×4.9+1.25×0.1
=1.25×(4.9+0.1)
=1.25×5
=6.25
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展开全部
1.25X4.9+0.125
=1.25ⅹ4.9十1.25ⅹ0.1
=1.25ⅹ(4.9+0.1)
=1.25ⅹ5
=6.25
=1.25ⅹ4.9十1.25ⅹ0.1
=1.25ⅹ(4.9+0.1)
=1.25ⅹ5
=6.25
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展开全部
1.25×4.9+0.125
=1.25×4.9+1.25×0.1
=1.25×(4.9+0.1)
=1.25×5
=6.25
=1.25×4.9+1.25×0.1
=1.25×(4.9+0.1)
=1.25×5
=6.25
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
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