1)-2(-y+1)+3(2x+y-2)2)-2a`(a-b)3)(3a+2y)`4xy4)(-4m+3n)`(-2mn)5)(2a-b)(2a+b)6)(x-y)(x+2y)7)(x-3)(x+1)8)(-3x+y)(2X-y)9)(a+3b)(a-2b)10)-2x`(x-y)+3y(2x+y)11)(x-4y)(x+y)-(2x+3y)(x-y)可以的话就在加20
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 20:08:52
![1)-2(-y+1)+3(2x+y-2)2)-2a`(a-b)3)(3a+2y)`4xy4)(-4m+3n)`(-2mn)5)(2a-b)(2a+b)6)(x-y)(x+2y)7)(x-3)(x+1)8)(-3x+y)(2X-y)9)(a+3b)(a-2b)10)-2x`(x-y)+3y(2x+y)11)(x-4y)(x+y)-(2x+3y)(x-y)可以的话就在加20](/uploads/image/z/1642755-3-5.jpg?t=1%EF%BC%89-2%EF%BC%88-y%2B1%29%2B3%282x%2By-2%292%29-2a%60%28a-b%293%29%283a%2B2y%29%604xy4%29%28-4m%2B3n%29%60%28-2mn%295%29%282a-b%29%282a%2Bb%296%29%28x-y%29%28x%2B2y%297%29%28x-3%29%28x%2B1%298%29%28-3x%2By%29%282X-y%299%29%28a%2B3b%29%28a-2b%2910%29-2x%60%28x-y%29%2B3y%282x%2By%2911%29%28x-4y%29%28x%2By%29-%282x%2B3y%29%28x-y%29%E5%8F%AF%E4%BB%A5%E7%9A%84%E8%AF%9D%E5%B0%B1%E5%9C%A8%E5%8A%A020)
1)-2(-y+1)+3(2x+y-2)2)-2a`(a-b)3)(3a+2y)`4xy4)(-4m+3n)`(-2mn)5)(2a-b)(2a+b)6)(x-y)(x+2y)7)(x-3)(x+1)8)(-3x+y)(2X-y)9)(a+3b)(a-2b)10)-2x`(x-y)+3y(2x+y)11)(x-4y)(x+y)-(2x+3y)(x-y)可以的话就在加20
1)-2(-y+1)+3(2x+y-2)
2)-2a`(a-b)
3)(3a+2y)`4xy
4)(-4m+3n)`(-2mn)
5)(2a-b)(2a+b)
6)(x-y)(x+2y)
7)(x-3)(x+1)
8)(-3x+y)(2X-y)
9)(a+3b)(a-2b)
10)-2x`(x-y)+3y(2x+y)
11)(x-4y)(x+y)-(2x+3y)(x-y)
可以的话
就在加20
1)-2(-y+1)+3(2x+y-2)2)-2a`(a-b)3)(3a+2y)`4xy4)(-4m+3n)`(-2mn)5)(2a-b)(2a+b)6)(x-y)(x+2y)7)(x-3)(x+1)8)(-3x+y)(2X-y)9)(a+3b)(a-2b)10)-2x`(x-y)+3y(2x+y)11)(x-4y)(x+y)-(2x+3y)(x-y)可以的话就在加20
你打出这么多题目用的时间都可以算完了.
1)6x+5y-8
2)-2a平方+2ab
3) 12axy+8x乘(y的平方)
4)(-4m+3n)`(-2mn) =8m方n-6mn方
5)(2a-b)(2a+b)=4a方-b方
6)(x-y)(x+2y)=x方+xy-2y方
7)(x-3)(x+1)=x方-2x-3
8)(-3x+y)(2X-y)=-6x方+5xy-y方
9)(a+3b)(a-2b)=a方+ab-6b方
10)-2x`(x-y)+3y(2x+y)=-2x方+8xy+3y方
11)(x-4y)(x+y)-(2x+3y)(x-y)=-x方-4xy-y方
自己读出来,表达用的中文