来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/09/23 21:33:44
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(0.5+50%*1/2)÷(1-3/8÷0.6)
(5/6÷2/3+1/4)÷7/12
8-(2/3-5/14*7/25+1/3)*2
[1-(1/5+5%)]÷3/8
(0.5+50%*1/2)÷(1-3/8÷0.6)
=2
(5/6÷2/3+1/4)÷7/12
=0.00463
8-(2/3-5/14*7/25+1/3)*2
=6.2
[1-(1/5+5%)]÷3/8
=0.03125