5+6-(-100)x(-10)+(-5)+(-6)=?
数学题(x-4)/(x-3)+(x-6)/(x-5)=(x-8)/(x-7)+(x-10)/(x-9)解方程,
解下列方程(2)4x²+12x+9=81 (4)2x²+3x=3 (6)x(2x-5)=4x-10
(﹣x²+2x+5)+(4x²-3-6x)
(x²-5x+6)(x²-12x+35)怎么解
3(x-1)+13>5x-2(5-x) 5-(2x+1)<3-6x
y=5;x=14;y=((x=3*y,x+6),x-1); printf(''x=%d,y=%d'
当x等于九时,5x+2x+=( ),5x-2x=( )
有例子x²+6x-7|| ||x × 7=7x\ =6xx × -1=-x/(x-1)(
函数配方f(X)=-2X²+3X-2,f(X)=3X²+6X-1
解方程2x²-6x+9=(5-x)²
(﹣x+2x²+5)+(4x²-3-6x)
用公式发解下列方程(1)2x-2√2x+1=0(2)5x-3x=x+1(3)x+17=8x(4)x+x-6=0(5)x-