作业帮 > 数学 > 作业

谁有初一的整式化简习题

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/04/25 09:42:43
谁有初一的整式化简习题
30道左右,不要太难的,尽快
最好来自网络资源,
1.(-3a)²·(2a-a-3)
2.9x(-2x²-xy+y²)·(-xy)
3.3x(x²-2x+1)-2x²(x+1)
4.(二分之一ab+a²-b²)·2ab-(-ab)²
5.a²(a²+a+1)-a(a³-1)
6.a^3b-ab+3a^2b^2-8-5a^2b^2-4a^3b-6
3.3ab-4ab+8ab-7ab+ab=______.
4.7x-(5x-5y)-y=______.
(1)-2n-(3n-1)=-5n+1
(2)a-(5a-3b)+(2b-a)=-5a+5b
(3)-3(2s-5)+6s=15
(4)1-(2a-1)-(3a+3)=-5a-1
(5)3(-ab+2a)-(3a-b)=3a-3ab+b
(6)14(abc-2a)+3(6a-2abc) =14abc-28a+18a-6abc=8abc-10a
(7)3(xy-2z)+(-xy+3z) =3xy-6z-xy+3z=2xy-3z
(8)-4(pq+pr)+(4pq+pr) =-4Pq-4PR+4pq+pr=(-4+1)pr
5.23a3bc2-15ab2c+8abc-24a3bc2-8abc=______.
6.-7x2+6x+13x2-4x-5x2=______.
7.2y+(-2y+5)-(3y+2)=______.
11.(2x2-3xy+4y2)+(x2+2xy-3y2)=______.
12.2a-(3a-2b+2)+(3a-4b-1)=______.
13.-6x2-7x2+15x2-2x2=______.
14.2x-(x+3y)-(-x-y)-(x-y)=______.
16.2x+2y-[3x-2(x-y)]=______.
17.5-(1-x)-1-(x-1)=______.
18.( )+(4xy+7x2-y2)=10x2-xy.
19.(4xy2-2x2y)-( )=x3-2x2y+4xy2+y3.
20.5mn-(5mn+(2m的2次方n+(m的2次方n-3mn))-2m的2次方n
1.(x+二分之一)²+(x-二分之一)²+(x+二分之一)(x-二分之一)
2.(x+3y)²+2(x-y)(x+y)+(x-3y)²
3.[(a-二分之一)²+(a+二分之一)²](2a²-二分之一)
4.(x+2y+3)²-(x-2y+3)(x-2y-3)