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数学怎么算的算不好.(100%/60%)* 4% (100%/70%)*4%=?第一个怎么算的可以=6.7 (100%/

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:2024/11/11 03:19:11
数学怎么算的算不好.
(100%/60%)* 4% (100%/70%)*4%=?
第一个怎么算的可以=6.7 (100%/60%)* 4% =6.7 第二个我都算不好了.
数学怎么算的算不好.(100%/60%)* 4% (100%/70%)*4%=?第一个怎么算的可以=6.7 (100%/
原式化简
(100 / 60) * 4% = 1/15
(100 / 70) * 4% = 4/70 = 2/35