X/6-X/10等于5
X/6-X/10等于5
5X+6(X+10)+10(X+30)+6(X+70)+3(X+150)=2730,X等于多少
5x-百分之10x等于9.8 24-百分之10x等于6
6除以x等于x减5 6/x=x-5 x等于? 谢谢!
(X+5)乘6等于X乘10
5x-5=6x等于?
5x乘6x等于?
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
x+2x-3x-4x+5x+6x-7x.-196x+197x+198x-199x-200x 等于多少
(x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几?
X/6-1=X/10+I,X等于几
6x+3x-5x等于多少?