0.76×4.5+5.5的简便方法
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简便方法如下：
0.76×4.5+5.5
=0.76×（5-0.5）+5.5
=0.76×5-0.76×0.5+5.5
=3.8-0.38+5.5
=3.8+（5.5-0.38）
=3.8+5.12
=8.92
0.76×4.5+5.5
=0.76×（5-0.5）+5.5
=0.76×5-0.76×0.5+5.5
=3.8-0.38+5.5
=3.8+（5.5-0.38）
=3.8+5.12
=8.92
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0.76×4.5+5.5
=0.76×（5-0.5）+5.5
=0.76×5-0.76×0.5+5.5
=3.8-0.38+5.5
=3.8+（5.5-0.38）
=3.8+5.12
=8.92
=0.76×（5-0.5）+5.5
=0.76×5-0.76×0.5+5.5
=3.8-0.38+5.5
=3.8+（5.5-0.38）
=3.8+5.12
=8.92
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0.76×4.5+5.5
=0.76×(5-0.5)+5.5
=0.76×5-0.76×0.5+5.5
=3.8-0.38+5.5
=3.8+(5.5-0.38)
=3.8+5.12
=5.92
=0.76×(5-0.5)+5.5
=0.76×5-0.76×0.5+5.5
=3.8-0.38+5.5
=3.8+(5.5-0.38)
=3.8+5.12
=5.92
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已踩过<
评论
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你对这个回答的评价是？
展开全部
0.76×4.5+5.5
=0.76×（5-0.5）+5.5
=0.76×5-0.76×0.5+5.5
=3.8-0.38+5.5
=3.8+（5.5-0.38）
=3.8+5.12
=8.92
=0.76×（5-0.5）+5.5
=0.76×5-0.76×0.5+5.5
=3.8-0.38+5.5
=3.8+（5.5-0.38）
=3.8+5.12
=8.92
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你对这个回答的评价是？
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