七年级寒假生活指导答案_七年级寒生活指导答案山东教育出版社

1.2017七年级上册数学寒生活指导作业11同底数幂的除法答案 初一数学寒生活指导作业参考答案

2.2017七年级上册数学寒生活指导作业13平方差公式答案 初一数学寒生活指导作业参考答案

答案：III.club member beautiful classmate same

exciting interesting university vacation actually

IV.

1.根据课文内容填空。

club member call Where are you from Mexico beautiful So

Who’s classmate same Where’s from go hello last name spell

Retell the text .

Seoul nice big very exciting club member Mexico interesting big

2.用be动词的正确形式填空。

(1) Is he isn’t (2) Are I’m not (3) are (4) is (5) is

(6)Are (7) are (8) is (9) are are (10) is is

3.用所给代词的正确形式填空。

(1) She Her (2) they They Their

(3) My I (4)We our

(5) her (6)Its

(7) their (8) Our

(9) my (10)me

4.根据答语写问句。

(1)How’s (2)Where’s (3)What’s (4)Who’s

(5)Where’s (6)What’s (7)How’s (8)Who’s

2017七年级上册数学寒生活指导作业11同底数幂的除法答案 初一数学寒生活指导作业参考答案

答案：III.nowadays , typical ,attention ,share, change, most, hen, tired, spend, marry, because, lonely, present

IV.1.is /her/being/attention/feels/lonely/lots/of

is /comes/his/brothers/sisters/are/birthday/presents

2.见课本及学案

3.picture years mother brother birthday watching playing

4.(1) is going /does…like / likes / doesn’t (2) living/are/are studying (3) is/studying/is studying/does/want/to be (4) is singing (5) is swimming (6) Is...writing

2017七年级上册数学寒生活指导作业13平方差公式答案 初一数学寒生活指导作业参考答案

答案：一、知识导航

a,同底数幂相除底数不变指数相减;1;1/a m-np

二、夯实基础

1、a, a?0,m,n都是正整数

2、4;1/4;x

3、a;-xy;

4、3

5、a;-1

6、0.0001;0.00124

7、abc; (n-m)

8、6 ; 3/5

13、AADCB

14、1/1000 1/64 0.00016

15、a-2b

16、-x;

17、x 95 455m+2

三、拓展能力

18、D

19、D

20、-1/2; -3;

21、3;

22、100;

23、-4/3 ; 24、9/2

答案：一、知识要点：

1.a2-b2 (1)和，差，相同，相反数 (2)平方差;减去

2.a2+2ab+b2 a2-2ab+b2 两项平方和加(或减)这两项乘积的2倍

二、夯实基础：

1.(1)25-36 x2 (2)a2-4 (3)x2-4 y2 (4)9a2-4b2 (5) a2b2-64 (6) m2-n2 (7) x2-1 (8) 16k2-9 (9) n2-m2+3n

2.不可以，不可以，可以，不可以，不可以3. (1)不正确,1-4x2(2)不正确,4a4- b4(3)不正确,

4.(1)9991 (2)489984 5.B 6.C 7.D

8.(1)9991 (2) 999996 (3)3599.96等.

9.(1)x4?81 (2) x4?1

16 (3)x2?2xy?y2?z2

10.(1)216(2)5050

11.xn 1?1

三.拓展能力

9.(1)3969 (2)996004 (3)9216 10. (x+y)2=36, (x-y)2=28