7/6+13/12+21/20+31/30+43/42=

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/28 14:49:36
7/6+13/12+21/20+31/30+43/42=7/6+13/12+21/20+31/30+43/42=7/6+13/12+21/20+31/30+43/42=3/2+7/6+13/12+21

7/6+13/12+21/20+31/30+43/42=
7/6+13/12+21/20+31/30+43/42=

7/6+13/12+21/20+31/30+43/42=
3/2+7/6+13/12+21/20+31/30+43/42 =1+1/2+1+1/6+1+1/12+1+1/20+1+1/30+1+/42 =6+1/2+1/2-1/3+1/3-1/4+1/4-1/5+1

75/14

75/14过程这不是折腾人吗?好吧 小学生我来教你 7/6+13/12+21/20+31/30+43/42 =(14/12+13/12)+21/20+31/30+43/42 =27/12+21/20+31/30+43/42 =(135/60+63/60)+31/30+43/42 =198/60+31/30+43/42 =(198/60+62/60)+43/42 =260/60+43/...

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75/14

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