各地中考数学模拟试题分类汇编整式.pdf

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1、1/10 整式一、选择题1、（2018 年福建福州质量检查）下列计算正确的是Aa2a3a6B(ab)2a2bC(ab3)2 ab6Da6a2 a4答案：D2、（2018 年浙江丽水一模）下列运算正确的是（）A32a2a3 B32)(a5aC3a6a9aD22)2(a24a答案：C 3、（2018 年浙江金华四模）下列运算正确的是（）ABCD答案：C 答案:C 6、（2018 山东省德州二模）下列运算正确的是（）A624aaa B23522baba C 523aa D633293baab答案：A 7、（2018 山东省德州三模）下列计算正确的是（）A632aaaB 338)2(aaC 54aaa

2、D32632xxx答案：D 8、（2018 山东省德州一模）下列运算正确的是 ()（A）22ababab（B）2239aa（C）2242aaa（D）22424aa答案：D 2/10 9、（2018 上海市奉贤调研试卷）下列计算正确的是（）A2aaa；B3326aa；C2211aa；D32aaa答案：D 10、（2018 江苏无锡前洲中学模拟）计算223aa的结果是（）A23a B24aC43aD44a答案：B11、（2018 江苏扬州中学一模）下列计算正确的是（）A623aaB222)(babaC235325aaaD336aaa答案：D 12、（2018 荆门东宝区模拟）下列运算正确的是()A

3、235aaa?B22()abab=C329()aa=D632aaa?答案：A 13、（2018 昆山一模）化简mn(mn)的结果为A2m B 2m C2n D 2n 答案：C 14、(2018 年吴中区一模)已知 a2b 2，则 42a 4b 的值是()(A)0 (B)2 (C)4 (D)8 答案：D 15.(2018 年，辽宁省营口市)下列计算正确的是（）A.a+a1=0 B.(2+1)(1-2)=1 C.-(-a)4a2=a2 D.(xy)1(21xy)2=41xy答案：D 16.（2018 年，广东二模）下列计算正确的是(C)Aa4 a2a6 B2a 4a8aCa5 a2a3 D(a2)

4、3a517、(2018 温州市泰顺九校模拟)下列运算正确的是（）A523aaa B632aaaC22)(bababa222)(baba答案：C18、(2018 温州市泰顺九校模拟)若实数 x,y,z 满足2()4()()0 xzxyyz，则下列式子一文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L

5、4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H

6、1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L

7、4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H

8、1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L

9、4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H

10、1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L13/10 定成立的是（）A.x+y+z=0 B.x+y-2z=0 C y+z-2x=0 D z+x-2y=0

11、答案：D 19、(2018 年春期福集镇青龙中学中考模拟)下列等式成立的是（）A.26aa3（）B.223aaaC.632aaa D.2(4)(4)4aaa答案：A 20（2018 年江苏南通三模）下列运算正确的是A624aaaB23522babaC523aaD633293baab答案：A.21.（2018 年江苏海安县质量与反馈）下列运算正确的是A532aaa B632aaaC6328)2(aa D248aaa答案：C.22.（2018 年宿迁模拟）下列运算正确的是（）A326a aa B325()aaC233 D2336(3)9aba b答案：C.23、(2018 学年度九年级第二学期普陀

12、区期终调研)下列运算，计算结果错误的是()（A）437aaa；（B）633aaa；（C）325()aa；（D）333()aba b答案：C 24、(2018 石家庄市42 中二模)下列运算正确的是()Aaaa2 B632aa C326aaa D 222yxyx答案：B 25、(2018 石家庄市42 中二模)已知,4abm ab，化简(2)(2)ab的结果是()A28m B6 C2m D2m答案：D 26、(2018 四川省泸县福集镇青龙中学一模)下列等式成立的是（）A26aa3（）B223aaaC632aaaD2(4)(4)4aaa答案：A 文档编码:CZ3L5D2Y4L4 HJ4V7S6S

13、1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:

14、CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S

15、1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:

16、CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S

17、1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:

18、CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S

19、1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L14/10 27、(2018 苏州市吴中区教案质量调研)已知 a2b 2，则 42a4b 的值是()(A)0 (B)2 (C)4 (D)8 答案：D 28、(2018 温州市泰顺九校模拟)下列运算正确的是（）A523aaa B632aaaC22)(bababa D222)(baba答案：C 29、(2018 温州市泰顺九校模拟)若实数x,y,z 满足2()4()()0 xzxyyz，则下列式子一定成立的是（）

20、Ax+y+z=0 B x+y-2z=0 C y+z-2x=0 D z+x-2y=0 答案：D 30.(2018 年南岗初中升学调研)、下列运算正确的是()A=()2=2 C+=D()3=6答案：D 31（马鞍山六中2018中考一模）如果的取值和是同类项，则与nmyxyxmmn31253（）A3 和 2 B 3 和 2 C3 和 2 D 3 和 2 答案：C 32.(2018 年南岗初中升学调研）下列运算正确的是()A=()2=2 C+=D()3=6 答案：D 33、(2018 年北京市延庆县一诊考试)0312yx，则2()xy的值为A 6 B9 C6 D 9 答案：B 34、（2018 深圳市

21、龙城中学质量检测）下列计算正确的是A624aaa B2a 4a=8a C325aaa D532)(aa35、（2018 双柏县学业水平模拟考试）下列运算正确的是【】A23aaaB235()aaC824aaaD2aaa答案：A 36、（柳州市2018 年中考数学模拟试卷）下列计算中，正确的是A.2x+3y=5xy B.xx4=x4 C.x8x2=x4 D.（x2y）3=x6y3答案：D 37、（2018 年广东模拟）下列运算正确的是()（原创）文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T

22、5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4

23、HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T

24、5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4

25、HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T

26、5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4

27、HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T

28、5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L15/10 A 42)2(B 49232 C1836aaa D 2baabba222答案 B 38.（海南省 2018 年中考数学科模拟）下列计算错误的是（）一、(-2x)2-2x2 B.(-2a3)2 4a6 C.(-x)9(-x)3x6 D.-a2a-a3答案：A 39（杭州市 2018 年中考数学模拟）计算3x+x的结果是（）A 3x2 B 2xC.4xD.4x2答案：C 40（杭州市2018 年中考数学模拟）观察下列图形：若图形（1）中阴影部分的面积为1，图形（2）中阴影部分的面积为43，图形（3）中阴

29、影部分的面积为169，图形（4）中阴影部分的面积为6427，则第n个图形中阴影部分的面积用字母表示为（）A n43Bn)43(C1)43(nD1)43(n答案：C 41、（2018 年浙江省杭州市一模）若m 2326，则 m等于（）A 2 B4 C6 D8 答案：D 42、（2018 年上海市黄浦二模）上海原世博园区最大单体建筑“世博轴”，将被改造成为一个综合性的商业中心，该工程营业面积将达130000 平方 M，这个面积用科学记数法表示为平方 M答案：51.3 10；43、（2018 年上海金山区中考模拟）下列计算正确的是（）（A）248aaa（B）224aaa；（C）22(2)2aa；（D

30、）633aaa答案：D文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L

31、5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9

32、ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L

33、5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9

34、ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L

35、5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9

36、ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L16/10 44、（2018 年 上海静安区调研）下列运算正确的是（A）3931（B）3931（C）3921（D）3921答案：C 45(徐州市 2018 年模拟)计算a3a4的结果是（）Aa5 Ba7 Ca8 Da12 答案：B 46.（盐城市第一初级中学20182018 学年期中考试）下列运算正确的是()A22ababab B2239

37、aaC2242aaa D22424aa答案 D 47、(2018 年普陀区二模)下列运算，计算结果错误的是()（A）437aaa；（B）633aaa；（C）325()aa；（D）333()aba b答案：C 48、(2018 年金山区二模)下列计算正确的是（）（A）248aaa（B）224aaa；（C）22(2)2aa；（D）633aaa答案：D 49、(2018 年南京建邺区一模)计算(a2)3的结果是（）Aa 5Ba 6Ca 8Da 9答案：B 50、(2018 年香坊区一模)下列运算正确的是()(A)32aaa(B)22a aa (C)236()aa (D)1025aaa答案：C51、(

38、2018 年福州模拟卷)下列计算正确的是Aa2a3a6B(ab)2a2bC(ab3)2ab6Da6a2a4答案：D二、填空题1、（2018年上海青浦二模）化简：6363aa答案：32a2、（2018年上海青浦二模）计算：)2)(2(yxyx=答案：224yx文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D

39、2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX

40、6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D

41、2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX

42、6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D

43、2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX

44、6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L17/10 3、（2018年上海青浦二模）某校学生志愿服务小组在“学雷锋”活动中购买了一批牛奶到敬老院慰

45、问孤寡老人，如果给每位老人分5盒牛奶，则剩下38盒牛奶。如设敬老院有)0(xx名老人，则这批牛奶共有盒。（用含x的代数式表示）答案：385x4、（2018 年上海黄浦二模）计算：2a ab答案：22aab5、已知 a+b=4m+2,ab=1,若 19a2+150ab+19b2的值为 2018，则 m=_.答案：2 或-36、(2018 年吴中区一模)计算：(3a2b3)2答案：649ba7、(2018年春期福 集镇青 龙中学中考模拟)已知2510mm，则22125mmm_.答案 28 8、（2018 兴仁中学一模）计算：(a2b)3的结果是 _ 答案：a6b39、(2018 学年度普陀区九年级

46、第二学期期终调研)某种品牌的笔记本电脑原价为a 元，如果连续两次降价的百分率都为x，那么两次降价后的价格为元答案：2(1)ax10、(2018 石家庄市42 中二模)若nm,互为倒数，则)1(2nmn的值为 _答案：1 11、(2018四 川 省 泸 县 福 集 镇 青 龙 中 学 一 模)已 知2510mm，则22125mmm_答案：28 12、(2018 苏州市吴中区教案质量调研)计算：(3a2b3)2答案：9a4b613 河南省信阳市二中）.给出3 个整式：y2，y22，y2y2，任意选择两个整式进行加法运算，其结果能因式分解的概率是.答案：2/314、（2018年北京中考数学模拟试卷）

47、若baxxx2214，则ba=文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:

48、CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S

49、1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:

50、CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S1N9 ZX6J1H1T5L1文档编码:CZ3L5D2Y4L4 HJ4V7S6S