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简便计算6.7×5.4+67×0.45+0.67===
题目详情
简便计算
6.7×5.4+67×0.45+0.67
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6.7×5.4+67×0.45+0.67
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答案和解析
6.7×5.4+67×0.45+0.67
=6.7×5.4+6.7×4.5+6.7*0.1
=6.7*(5.4+4.5+0.1)
= 6.7*10
=67
=6.7×5.4+6.7×4.5+6.7*0.1
=6.7*(5.4+4.5+0.1)
= 6.7*10
=67
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