Giải phương trình: (1-1/3+(x/(1-1/3)/(1+1/3-1/1-1/3)=8/7
Giải thích
1−13+x1−131+13−11−13=87⇔23+x2343−123=87
⇔4+9x6:−16=87⇔4+9x6=−421
⇔84+189x=−24⇔189x=−108⇔x=−47
1−13+x1−131+13−11−13=87⇔23+x2343−123=87
⇔4+9x6:−16=87⇔4+9x6=−421
⇔84+189x=−24⇔189x=−108⇔x=−47