12.5×5.7+1.25×23用简便方法怎么做
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简算如下:
12.5×5.7+1.25×23
=12.5×5.7+12.5×2.3
=12.5×(5.7+2.3)
=12.5×8
=100
12.5×5.7+1.25×23
=12.5×5.7+12.5×2.3
=12.5×(5.7+2.3)
=12.5×8
=100
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简算如下:
12.5×5.7+1.25×23
=12.5×5.7+12.5×2.3
=12.5×(5.7+2.3)
=12.5×8
=100
12.5×5.7+1.25×23
=12.5×5.7+12.5×2.3
=12.5×(5.7+2.3)
=12.5×8
=100
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评论
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你对这个回答的评价是?
展开全部
简算如下:
12.5×5.7+1.25×23
=12.5×5.7+12.5×2.3
=12.5×(5.7+2.3)
=12.5×8
=100
12.5×5.7+1.25×23
=12.5×5.7+12.5×2.3
=12.5×(5.7+2.3)
=12.5×8
=100
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评论
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你对这个回答的评价是?
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12.5ⅹ5.7+1.25ⅹ23
=12.5ⅹ5.7+12.5ⅹ23
=12.5ⅹ(5.7+2.3)
=12.5ⅹ8
=100
=12.5ⅹ5.7+12.5ⅹ23
=12.5ⅹ(5.7+2.3)
=12.5ⅹ8
=100
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展开全部
12.5×5.7+1.25×23
=12.5×5.7+12.5×2.3
=12.5×(5.7+2.3)
=12.5×8
=100
=12.5×5.7+12.5×2.3
=12.5×(5.7+2.3)
=12.5×8
=100
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
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