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4.6×4.6+246×0.44+24.6怎么简便计算

题目详情
4.6×4.6+246×0.44+24.6怎么简便计算
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答案和解析
4.6*4.6+246*0.44+24.6
=46*0.46+246*0.44+246*0.1
=46*0.46+246*(0.44+0.1)
=46*0.46+246*0.54
=46*0.46+(200+46)*0.54
=46*(0.46+0.54)+200*0.54
=46+108
=154