Tìm x
5.(4+6.x)=290
(15.24)-x:2=200:4
2.x+3.x=15
128.x-12.x-16.x=5202000
x.23-6.23+x.69=230
(x+9)+(x-2)+(x+7)+(x+4)+(x+5)+(x+6)+(x+3)+(x+8)+(x+1)=95
(15.24)-x:2=200:4
2.x+3.x=15
128.x-12.x-16.x=5202000
x.23-6.23+x.69=230
(x+9)+(x-2)+(x+7)+(x+4)+(x+5)+(x+6)+(x+3)+(x+8)+(x+1)=95