简单的数学问题!!!
1.(x+2)(x-2)2.(1+3a)(1-3a)3.(x+5y)(x-5y)4.(4a-7b)(4a+7b)5.(-2m-n)(2m-n)6.-(5+2x)(5-2x...
1.(x+2)(x-2)
2.(1+3a)(1-3a)
3.(x+5y)(x-5y)
4.(4a-7b)(4a+7b)
5.(-2m-n)(2m-n)
6.-(5+2x)(5-2x)
7.(2+3a二次方)(3a二次方-2)
8.(1/2x-2)(1/2x+2)+(-3+x)(-x-3)
9.(a二次方+b)(a二次方+b)
10.(-4m二次方+5n)(4m二次方+5n)
11.(x二次方-y二次方)(x二次方+y二次方)
12.(9a二次方+7b二次方)(7b二次方-9a二次方)
13.(4a+7b)(4a+7b)
14.(-2m-n)(2m+n)
15.-(5+2x)(5+2x)
16.(2-3a二次方)(3a二次方-2)
17.(0.5x+2)(0.5x+2)+(-3-x)(-x+3)
18.(3x-2y)二次方
19.(0.5a+b)二次方
20.(-3ab+1/3c)二次方
21.(0.5x-1)二次方
22.(-2t-1)二次方
23.y二次方-(x+y)二次方
24.(2a+3)二次方-3(2a-1)(a+4)
快快!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 展开
2.(1+3a)(1-3a)
3.(x+5y)(x-5y)
4.(4a-7b)(4a+7b)
5.(-2m-n)(2m-n)
6.-(5+2x)(5-2x)
7.(2+3a二次方)(3a二次方-2)
8.(1/2x-2)(1/2x+2)+(-3+x)(-x-3)
9.(a二次方+b)(a二次方+b)
10.(-4m二次方+5n)(4m二次方+5n)
11.(x二次方-y二次方)(x二次方+y二次方)
12.(9a二次方+7b二次方)(7b二次方-9a二次方)
13.(4a+7b)(4a+7b)
14.(-2m-n)(2m+n)
15.-(5+2x)(5+2x)
16.(2-3a二次方)(3a二次方-2)
17.(0.5x+2)(0.5x+2)+(-3-x)(-x+3)
18.(3x-2y)二次方
19.(0.5a+b)二次方
20.(-3ab+1/3c)二次方
21.(0.5x-1)二次方
22.(-2t-1)二次方
23.y二次方-(x+y)二次方
24.(2a+3)二次方-3(2a-1)(a+4)
快快!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 展开
8个回答
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询