3(2x-3y)=6x-9y
-(2x*x-x+1)=-2x*x+x+1
-2(1/2x-y)=-x+2y
-0.5(1-2c)=-0.5+c
2(x-1/2)-(x-1)=x
2(x+2)+3(1-1/3x)=x+7
(a*a+2a)-2(1/2a*a+4a)=-6a
2/3x*x-(-1/2x*x)+(-2x*x)=0
2(x-3x*x+1)-3(2x*x-x-2)=5x-12x*x+8
5x-(3x-2(2x-3))=6x-6
SORRY,只有10题
谁有七上年级的第四章整式的计算题.
3(2x-3y)=6x-9y
-(2x*x-x+1)=-2x*x+x+1
-2(1/2x-y)=-x+2y
-0.5(1-2c)=-0.5+c
2(x-1/2)-(x-1)=x
2(x+2)+3(1-1/3x)=x+7
(a*a+2a)-2(1/2a*a+4a)=-6a
2/3x*x-(-1/2x*x)+(-2x*x)=0
2(x-3x*x+1)-3(2x*x-x-2)=5x-12x*x+8
5x-(3x-2(2x-3))=6x-6
SORRY,只有10题