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46✘0.33+54✘0.31用简便方法怎么算?
展开全部
46✘0.33+54✘0.31
=46✘(0.31+0.02)+54✘0.31
=46✘0.31+46✘0.02+54✘0.31
=(46+54)✘0.31+46✘0.02
=100✘0.31+46✘0.02
=31+0.92
=31.92
以上信息仅供参考,麻烦请及时采纳回答,谢谢!
=46✘(0.31+0.02)+54✘0.31
=46✘0.31+46✘0.02+54✘0.31
=(46+54)✘0.31+46✘0.02
=100✘0.31+46✘0.02
=31+0.92
=31.92
以上信息仅供参考,麻烦请及时采纳回答,谢谢!
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