人教版七年级数学上册整式的加减法专项练习题精选21文档格式.docx
- 文档编号:22718307
- 上传时间:2023-02-05
- 格式:DOCX
- 页数:51
- 大小:25.10KB
人教版七年级数学上册整式的加减法专项练习题精选21文档格式.docx
《人教版七年级数学上册整式的加减法专项练习题精选21文档格式.docx》由会员分享,可在线阅读,更多相关《人教版七年级数学上册整式的加减法专项练习题精选21文档格式.docx(51页珍藏版)》请在冰豆网上搜索。
3x2y+4x2y50s2+11.5s2
—a2bc-—cba2a2b-0.3a2b
22
—pq+—pq-4-3a3b+2.5a3b
26
ab-6a2b2-4-4ab2+7a2b2-5-7ab
7x3-5x2+y2+8y-3x2-y+y2
(a2b-b3)-(a2b2-3b3)
(-x2y-8xy2)+(x2y-3xy2)
-6s2+[9s2-(6s2-4s)-4(s2+2s)]
7-4(1-a)+(1-a-a2)-4(1-a+a2-a3)
(-4a2b-4ab)-(9a2b-ab)
(5m2+6m-4)-(2m2-3m-5)
(2n2-4n+8)+3(6-5n-5n2)
4x2y-7x2y-30m2-19.5m2
—a2bc-—cba2a2b+0.7a2b
44
-—pq+—pq-13ab2-0.5ab2
23
ab+4a2b2+8-5ab2+6a2b2-1-4ab
7x3-5x2+3y2+3y-4x2+9y-4y2
(a2b-2b3)-(-a2b2-4b3)
(-x2y+xy2)+(5x2y-5xy2)
6b2+[7b2-(7b2+9b)-9(b2+2b)]
6+9(1-a)+(1-a-a2)+4(1-a+a2-a3)
(9a2b-ab)+(-a2b+ab)
(4n2+3n+3)-(7n2+6n-4)
(6s2-3s-8)+2(9-5s+2s2)
x2y-5x2y80c2+19.5c2
—a2bc+—cba2-4a2b+0.3a2b
24
-—xy-—xy-35x2y-0.5x2y
54
ab-8a2b2-4+2ab2+3a2b2-6-3ab
2x3-8x2-6y2-y+5x2-y-y2
(2a2b-9b3)-(-2a2b2-b3)
(x2y+9xy2)-(4x2y-xy2)
6s2-[3s2+(4s2+8s)+4(s2+5s)]
14+5(1-a)+(1-a-a2)-4(1-a+a2-a3)
(-a2b+ab)+(-8a2b-ab)
(3n2-3n+4)-(3n2+4n-4)
(2m2+5m+7)-4(4+4m+2m2)
5x2y-4x2y-90x2-0.5x2
—a2bc+—cba28a2b+0.5a2b
64
—ab-—ab+10-2ab2+7.5ab2
65
ab-7a2b2+8-5ab2+6a2b2-2+2ab
3x3+6x2+y2-2y-4x2-3y+9y2
(-6a2b-9b3)+(4a2b2+b3)
(6x2y+xy2)+(8x2y-7xy2)
-3z2+[2z2-(7z2+6z)-6(z2+7z)]
16+7(1-a)+(1-a-a2)+4(1-a+a2-a3)
(-a2b+ab)+(8a2b+ab)
(2b2+5b+9)+(4b2-2b-7)
(7b2+4b-4)-5(7-5b+5b2)
x2y+4x2y80t2-3.5t2
-—a2bc+—cba2a2b+0.3a2b
53
—st-—st+76ab2-8.5ab2
2ab-8a2b2+2-2ab2-7a2b2-9+5ab
2x3-8x2+2y2-4y+x2-7y-y2
(a2b-b3)-(-a2b2+b3)
(9x2y-xy2)-(2x2y-xy2)
3b2-[8b2-(4b2+8b)+3(b2-9b)]
13+4(1-a)+(1-a-a2)+4(1-a+a2-a3)
(-a2b+9ab)-(a2b-3ab)
(9b2-5b-3)+(9b2+3b+5)
(8m2+6m+5)+4(4+6m+2m2)
x2y-3x2y-40t2+16.5t2
-—a2bc-—cba2-a2b+0.7a2b
25
-—pq-—pq-4-2ab2-7.5ab2
43
8ab+6a2b2+9+5ab2-4a2b2-9+5ab
6x3+7x2+8y2+y-x2-6y+3y2
(-a2b-4b3)+(-5a2b2-4b3)
(-x2y+xy2)-(x2y-9xy2)
-3b2-[-4b2+(3b2+9b)-9(b2-3b)]
17-8(1-a)-(1-a-a2)+3(1-a+a2-a3)
(-3a2b-8ab)+(3a2b+ab)
(3s2-6s-1)-(8s2-2s-8)
(7a2-6a+6)-4(2-5a-6a2)
x2y-5x2y-90c2+16.5c2
—a2bc-—cba2-a2b-0.2a2b
55
—ab-—ab-57x3y2+2.5x3y2
8ab-4a2b2-5+3ab2-5a2b2+6+6ab
8x3+6x2+y2+y-x2+3y+y2
(8a2b-5b3)-(-a2b2-6b3)
(-x2y-6xy2)+(x2y+xy2)
-9y2+[-7y2-(9y2-7y)-5(y2+7y)]
16+9(1-a)+(1-a-a2)+4(1-a+a2-a3)
(3a2b-ab)+(-6a2b+ab)
(2n2+4n+9)-(4n2+6n+4)
(9x2-4x+7)-3(5+4x-8x2)
x2y-6x2y-40m2-14.5m2
—a2bc-—cba26a2b+0.5a2b
—xy-—xy-13x3y2+0.5x3y2
ab+5a2b2+3-3ab2+5a2b2-1+6ab
4x3+4x2-y2+2y-x2+2y-9y2
(a2b+b3)+(-a2b2+6b3)
(x2y-9xy2)-(x2y+xy2)
6z2+[-8z2+(3z2-7z)+5(z2-8z)]
16+2(1-a)+(1-a-a2)+3(1-a+a2-a3)
(-a2b+2ab)-(a2b-4ab)
(6t2+6t+5)+(9t2+5t-9)
(7a2+3a+4)-4(8+2a+8a2)
2x2y-5x2y10t2+0.5t2
—a2bc+—cba24a2b-0.6a2b
—pq-—pq-66x3y2-9.5x3y2
35
ab-9a2b2-5+3ab2-2a2b2+4+5ab
6x3-4x2+y2-3y-3x2-y-y2
(-a2b+b3)-(7a2b2-b3)
(x2y-xy2)-(x2y+xy2)
-4z2-[9z2+(4z2-7z)+8(z2-9z)]
9-6(1-a)-(1-a-a2)+4(1-a+a2-a3)
(a2b-2ab)-(-8a2b-7ab)
(3b2+5b+6)+(9b2-4b-3)
(2z2-2z+3)+5(9-6z+6z2)
-x2y+5x2y-90c2+17.5c2
—a2bc-—cba2-2a2b-0.9a2b
52
-—pq+—pq+44x2y2-9.5x2y2
5ab-4a2b2-5+7ab2+3a2b2-3-7ab
5x3-6x2+4y2-y-3x2-6y+y2
(-5a2b-b3)+(2a2b2+4b3)
(x2y-xy2)+(x2y+8xy2)
-8b2+[-6b2+(2b2+6b)+7(b2+2b)]
20+5(1-a)-(1-a-a2)-2(1-a+a2-a3)
(6a2b-ab)+(-2a2b-ab)
(2n2+3n+1)-(6n2-6n-1)
(6t2+5t-2)-4(5+4t-5t2)
7x2y+9x2y-70x2+16.5x2
—a2bc+—cba2-a2b-0.6a2b
—ab-—ab-8-3a2b2+2.5a2b2
6ab+3a2b2+1+6ab2+9a2b2-7-5ab
4x3-2x2+4y2-y-x2+2y-6y2
(a2b+2b3)+(-a2b2-9b3)
(-3x2y-2xy2)+(x2y-4xy2)
4z2+[-4z2-(6z2+7z)-3(z2-7z)]
9+2(1-a)+(1-a-a2)-2(1-a+a2-a3)
(8a2b-ab)+(4a2b-ab)
(5x2+3x+3)-(4x2+6x+2)
(6n2-3n-2)+2(2+6n-9n2)
-5x2y-5x2y40x2+9.5x2
—a2bc-—cba2-a2b+0.4a2b
66
-—mn+—mn+1-6a3b+1.5a3b
ab+8a2b2+6-9ab2+5a2b2-3-9ab
8x3+6x2-y2+3y+7x2+y+y2
(8a2b+b3)-(-a2b2+8b3)
(7x2y+xy2)-(3x2y-xy2)
6z2+[-4z2+(2z2+5z)+6(z2-6z)]
7+5(1-a)-(1-a-a2)+5(1-a+a2-a3)
(-3a2b-ab)-(a2b-4ab)
(7m2+6m-2)+(3m2+4m-8)
(8c2+6c-8)-4(7+6c+8c2)
-6x2y-7x2y40m2-2.5m2
-—a2bc-—cba2-4a2b-0.9a2b
—ab-—ab+35x2y+8.5x2y
23
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 人教版 七年 级数 上册 整式 加减法 专项 练习题 精选 21