初一下册完全平方公式专项训练7.docx
《初一下册完全平方公式专项训练7.docx》由会员分享,可在线阅读,更多相关《初一下册完全平方公式专项训练7.docx(27页珍藏版)》请在冰豆网上搜索。
初一下册完全平方公式专项训练7
1
(-5cd+—)24952(3a+b+d)2
5
(4a+b+4)(4a+b-4)(x+y-5)(x+y+5)
(x+3)(x-3)-(x+1)(x-2)9922
(2x+y)2+3(x+y)(x-2y)2(2a+b)2
11
(—x+—y)2932(x-6)2-8x2
29
1
(6xy+—x)28032(n+1)2-9n2
3
(2x-1)2(6x-5y)2(xy-6a)2
1
(—x-3y)2(4ab+4)2(n+3)2-2n2
3
11
(—m-—)2(-6t+9)21092
45
1
(-4cd-—)23962(3a+b-d)2
3
(4a+b+4)(4a+b-4)(x+y-3)(x+y+3)
(x+1)(x-1)+(x+2)(x+5)982
(6x-y)2+(x+y)(x-4y)2(2a-3b)3
11
(—x+—y)23962(5x-8)2-7x2
38
1
(4xy+—x)24072(n+3)2+9n2
5
(4x+1)2(9x-7y)2(mn+3a)2
1
(—x+6y)2(6ab+8)2(4n+2)2-8n2
4
11
(—m-—)2(-2t-5)21032
52
1
(-6cd+—)28972(a+b-d)2
5
(2a-b+4)(2a-b-4)(x+y-3)(x+y+3)
(x+4)(x-4)-(x-1)(x+1)6962
(4x-y)2+3(x+y)(x-2y)2(a+b)2
11
(—x+—y)24952(7x-5)2-4x2
43
1
(3xy-—x)23032(3n-1)2+2n2
3
(2x-5)2(4x-6y)2(ab+a)2
1
(—x+4y)2(6ab-4)2(3n-2)2+9n2
5
11
(—m-—)2(-2t+10)21042
46
1
(-3cd-—)23992(a-b+d)2
5
(a+b+3)(a+b-3)(4x-y-3)(4x-y+3)
(x+1)(x-1)-(x-4)(x+1)972
(3x-y)2+(x+y)(x-2y)2(a+2b)3
11
(—x-—y)21952(8x-9)2-5x2
66
1
(3xy+—x)27052(5n-2)2+5n2
2
(3x+2)2(x+9y)2(ab+2a)2
1
(—x-3y)2(9ab-8)2(n-1)2-4n2
3
11
(—m+—)2(-4t+2)21022
36
1
(-2cd-—)24932(3a+b-d)2
3
(2a-b+2)(2a-b-2)(x-y-2)(x-y+2)
(x+3)(x-3)+(x-2)(x-1)2982
(6x-y)2+2(x+y)(x-2y)2(2a-2b)3
11
(—x-—y)25922(2x-3)2-2x2
52
1
(3xy-—x)29082(4n+3)2+6n2
3
(2x+6)2(5x-4y)2(xy-6a)2
1
(—x-4y)2(3ab-2)2(4n-4)2+4n2
4
11
(—m-—)2(-5t+1)25072
22
1
(-2cd+—)24992(2a+b+d)2
5
(4a+b+4)(4a+b-4)(x+y-1)(x+y+1)
(x+2)(x-2)+(x-5)(x-5)6942
(4x-y)2-(x+y)(x+3y)2(a-2b)2
11
(—x-—y)24962(9x+2)2+5x2
38
1
(3xy+—x)26022(n-2)2-7n2
5
(x-8)2(7x+8y)2(ab+6a)2
1
(—x-y)2(ab-5)2(6n-5)2-8n2
3
11
(—m-—)2(-4t-3)24042
25
1
(-5cd-—)24972(a-b+d)2
3
(4a+b+5)(4a+b-5)(4x+y-1)(4x+y+1)
(x+2)(x-2)+(x+5)(x-4)6922
(6x+y)2+3(x+y)(x+3y)2(2a+b)3
11
(—x+—y)21922(6x-3)2-4x2
37
1
(5xy-—x)210062(3n-1)2-7n2
5
(x+6)2(9x-3y)2(bc+6a)2
1
(—x-7y)2(9ab+5)2(6n-5)2+6n2
4
11
(—m-—)2(-6t+2)29052
35
1
(-2cd+—)26952(3a+b-d)2
2
(2a-b+2)(2a-b-2)(x-y-5)(x-y+5)
(x+2)(x-2)-(x-2)(x-2)3912
(4x+y)2-3(x+y)(x-4y)2(2a-3b)3
11
(—x+—y)25962(7x+7)2+7x2
35
1
(4xy-—x)22062(4n-1)2+8n2
2
(x+1)2(5x+9y)2(ab+5a)2
1
(—x-7y)2(7ab-9)2(3n-4)2-3n2
5
11
(—m-—)2(-8t+1)21092
43
1
(-5cd+—)25992(3a+b-d)2
3
(a+b+3)(a+b-3)(2x+y-4)(2x+y+4)
(x+4)(x-4)-(x-1)(x+1)4912
(x+y)2+4(x+y)(x-4y)2(a+3b)3
11
(—x-—y)23962(8x+9)2+8x2
34
1
(6xy-—x)210022(4n-5)2-6n2
4
(7x+2)2(6x-3y)2(mn-6a)2
1
(—x+3y)2(9ab+5)2(n-1)2+9n2
3