(3/8)+(x/8)+(x/9)=3/4 解方程
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(3/8)+(x/8)+(x/9)=3/4 解方程
(3/8)+(x/8)+(x/9)=3/4 解方程
(3/8)+(x/8)+(x/9)=3/4 解方程
3/8+x/8+x/9=3/4
x(1/8+1/9)=3/4-3/8
x*17/72=3/8
x=3/8*72/17
x=27/17
3/8+x/8+x/9=3/4
x(1/8+1/9)=3/4-3/8
x*17/72=3/8
x=3/8*72/17
x=27/17