-(13又1/3)/5+(-5又2/3)/5+(-(-196又1/7)/5+(-76又1/7)/5
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 12:44:30
![-(13又1/3)/5+(-5又2/3)/5+(-(-196又1/7)/5+(-76又1/7)/5](/uploads/image/z/112716-36-6.jpg?t=-%2813%E5%8F%881%2F3%29%2F5%2B%28-5%E5%8F%882%2F3%29%2F5%2B%28-%28-196%E5%8F%881%2F7%29%2F5%2B%28-76%E5%8F%881%2F7%29%2F5)
x)04~aook
8f`Ys9gTOn;Jm{ɓ]OVv9Ov,yo =Ovx{)DӎHj҆h!X{owX
yvP9H2 v
-(13又1/3)/5+(-5又2/3)/5+(-(-196又1/7)/5+(-76又1/7)/5
-(13又1/3)/5+(-5又2/3)/5+(-(-196又1/7)/5+(-76又1/7)/5
-(13又1/3)/5+(-5又2/3)/5+(-(-196又1/7)/5+(-76又1/7)/5
令上式=x
等式两边同乘以5
则5x=-(13又1/3)-(5又2/3)+196又1/7-76又1/7=-19+120=101
x=101/5 即20又1/5
-338/8