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简便计算3.53×0.25+3.47
人气:364 ℃ 时间:2020-06-10 04:21:30
解答
3.53×0.25+3.47
=(4-0.47)/4+3.47
=4/4-0.47/4+3.47
=1-0.1175+3.47
4.47-0.1175
=4.3525
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