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1、精编学习资料欢迎下载七年级数学上册第二单元整式的加减单元测试题班级座号姓名分数一选择题(每题 2 分,共 20 分)1计算 3(x2y)+4(x2y)的结果是()Ax2y Bx+2y Cx2y Dx+2y 2若 2ym+5xn+3与3x2y3是同类项,则 mn=()ABC1 D2 3下列各式中,是3a2b 的同类项的是()A2x2y B2ab2 Ca2b D3ab 4若 x3ym与 xny 是同类项,则 m+n 的值为()A1 B2 C3 D4 5下列计算正确的是()A3a2a=1 B B、x2y2xy2=xy2 C3a2+5a2=8a4D 3ax2xa=ax 6 若单项式 2xnymn与单项
2、式 3x3y2n的和是 5xny2n,则 m 与 n 的值分别是()Am=3,n=9 Bm=9,n=9 Cm=9,n=3 Dm=3,n=3 7下列判断错误的是()A若 xy,则 x+2010y+2010 B单项式的系数是 4 C若|x1|+(y3)2=0,则 x=1,y=3 D一个有理数不是整数就是分数8化简 mn(m+n)的结果是()A0 B2m C2n D2m2n 9.已知 a,b 两数在数轴上对应的点的位置如图所示,则化简代数式|a+b|a2|+|b+2|的结果是()A2a+2b B2b+3 C2a3 D1 若 xy=2,xz=3,则(yz)23(zy)+9 的值为()A13 B11 C
3、5 D7 二填空题(每题 3 题,共 30 分)11如果单项式 xyb+1与 xa2y3是同类项,那么(ab)2015=精编学习资料欢迎下载12若单项式 2x2ym与的和仍为单项式,则m+n 的值是13若 2x2ym与 6x2ny3是同类项,则 mn=14单项式 4x2y3的系数是,次数15单项式的系数与次数之积为16多项式与 m2+m2 的和是 m22m17多项式 2m2+3m 的各项系数之积为18在代数式 3xy2,m,6a2a+3,12,中,单项式有个,多项式有个19单项式 2 a2bc 的系数是20观察一列单项式:x,3x2,5x3,7x,9x2,11x3,则第 2013 个单项式是三
4、解答题(共 6 小题共 70 分 21 题每小题 4 分、每题 6 分、27 与 28 题各 8 分21合并同类项/化简(每小题 4 分)(1)3a2b5a+2b(2)(2m+3n5)(2mn5)(3)7xy+5x3y+3(4)2(x2y+3xy2)3(2xy24x2y)(5)a2+(2a2b2)+b2(6)6a2b+(2a+1)2(3a2ba)文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编
5、码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4
6、 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8
7、 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文
8、档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4
9、S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10
10、Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L
11、7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7精编学习资料欢迎下载23、已知|a 2|+(b+1)2=0,求 5ab22a2b(4ab22a2b)的值(6 分)24、已知 x=3 时,多项式 ax3bx+5 的值是 1,求当 x=3 时,ax3bx+5 的值(6 分)25化简:8n24m22m(2m25m)(6 分)文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L
12、7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3
13、U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X
14、10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N
15、7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9
16、K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z
17、1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V
18、8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7精编学习资料欢迎下载26已知代数式 mx3+x3nx+2015x1 的值与 x 的取值无关求 mx的值;(6 分)27已知:A=2x2+3xy2x1,B=x2+xy1若 3A+6B 的值与 x 的值无关,求 y 的值(8 分)28已知 A=5a+3b,B=3a22a2b,C=a2+7a2b2,当 a=1,b=2 时,求 A2B+3C的值(8 分)文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7
19、L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K
20、3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1
21、X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8
22、N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J
23、9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9
24、Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2
25、V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7精编学习资料欢迎下载七年级第二单元整式加减单元测试题参考答案一,选择题:ABCDD,CBCAA 二,填空题:11、1 12、5 13、3 14、-4 5 15、-2 16、3m+2 17、3 18、3 2 19、220、4025x3 三,解答题:21、解(1)原式=(3a5a)+(2b+2b)=2a;(2)原式=2m+3n52m+n+5=(2m2m)+(3n+n)+(5+5)=4n;(3)原式=2x2y+6xy26xy2
26、+12x2y=(2x2y+12x2y)+(6xy26xy2)=14x2y22、解:(1)原式=(165+10)x=21x;(2)原式=7xy+5x3y+3=12x4y+3;(3)原式=a2+2a2b2+b2=3a2;(4)6a2b+2a+16a2b+2a=4a+1 23、解:8n24m22m(2m25m)=8n2(4m22m2m2+5m)=8n24m2+2m+2m25m=8n22m23m24、解:(1)mx3+x3nx+2015x1=(m+1)x3+(2015n)x1代数式 mx3+x3nx+2015x1 的值与 x 的取值无关,m+1=0,2015n=0,解得 m=1,n=2015mx=1
27、或 mx=1;(2)由(1)知,mx=1 或 mx=1 当 mx=1 时,y=1,则1=2,解得 a=3,则|12a|=|1 2 3|=5;当 mx=1 时,y=1,则+1=2,解得 a=7,则|12a|=|1 2 7|=13;综上所述,|12a|=5 或|1 2a|=1325、解:3A+6B=3(2x2+3xy2x1)+6(x2+xy1)=(15y6)x9,3A+6B 的值与 x 的值无关,15y6=0,解得:y=文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2
28、J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S
29、9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F
30、2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:C
31、K2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA
32、9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI
33、5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码
34、:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7精编学习资料欢迎下载26、解:A=5a+3b,B=3a22a2b,C=a2+7a2b2,A2B+3C=(5a+3b)2(3a22a2b)+3(a2+7a2b2)=5a+3b6a2+4a2b+3a2+21a2b6=3a2+25a2b+5a+3b6,当 a=1,b=2 时,原式=312+25122+51+326=52文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1
35、X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8
36、N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J
37、9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9
38、Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2
39、V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK
40、2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7文档编码:CK2J9K3U4S4 HA9S9Z1X10Y8 ZI5F2V8N7L7