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初一第一章知識點複習

初一第一章知識點複習

Assessment

Presentation

Mathematics

KG

Practice Problem

Hard

Created by

hang ku

FREE Resource

9 Slides • 35 Questions

1

第一章 有理數

By hang ku

2

1. 正數與負數:

By hang ku

3

Multiple Choice

Question image
1

0

2

1

3

-1

4

非負數

4

Multiple Choice

Question image
1

2

5

media

6

media

7

Multiple Choice

Question image
1

原點、坐標

2

原點、正方向、單位長度

3

原點、負方向、長度

4

起因、經過、結果

8

Multiple Choice

  1. 相反數

2的相反數是

1
0
2
2
3
1
4
-2

9

Multiple Choice

-23的相反數是

1
-23
2
23
3
0
4
-22

10

Multiple Choice

0的相反數是

1
0
2
1
3
-1
4
10

11

Multiple Choice

-(-24)=

1
24
2
-(-12)
3
0
4
-24

12

Multiple Choice

-(+483)

1
-480
2
+483
3
-483
4
-500

13

Multiple Choice

  1. 絕對值

    |7|=

1
14
2
0
3
7
4
-7

14

Multiple Choice

|-2222|=

1
2220
2
0
3
2222
4
-2222

15

Multiple Choice

|0|=

1
0
2
1
3
-1
4
undefined

16

Multiple Choice

|9999|=

1
10000
2
9998
3
9999
4
999

17

Multiple Choice

|-9999|=

1
0
2
-9999
3
10000
4
9999

18

Multiple Choice

-|9999|

1
-9999
2
-10000
3
0
4
9999

19

Multiple Choice

-|-9999|

1
-10000
2
9999
3
-9998
4
-9999

20

有理數的加減

21

Multiple Choice

(-8)+(-5)=

1
-3
2
-10
3
-13
4
-5

22

Multiple Choice

-8+5=

1
-3
2
-2
3
0
4
-5

23

Multiple Choice

-8-5=

1
-13
2
-3
3
-10
4
-15

24

Multiple Choice

-8-8

1
-16
2
-4
3
0
4
-8

25

media

26

Multiple Choice

-8x(-8)=

1
64
2
0
3
-64
4
-8

27

Multiple Choice

-45÷(-5)=

1
5
2
9
3
-9
4
-45

28

Multiple Choice

0÷(-9999)=

1
-9999
2
1
3
undefined
4
0

29

Multiple Choice

36÷ 11000\frac{1}{1000} =

1
36000
2
36
3
360000
4
3600

30

9. 乘方

By hang ku

31

Multiple Choice

24=

1
8
2
64
3
4
4
32
5
16

32

Multiple Choice

(-2)4

1
8
2
4
3
16
4
32

33

Multiple Choice

-24

1
-16
2
8
3
-8
4
16

34

Multiple Choice

(-1)2025

1
-2025
2
0
3
-1
4
1

35

Multiple Choice

(-1)2026

1
0
2
-1
3
1
4
2

36

media
media

37

Multiple Choice

用科學記數法表示:12000

1

1.2 x 103

2

1.2 x 104

3

12 x 103

4

120 x 10^2

38

Multiple Choice

-1.235x105

1
-1235000
2
-1234.5
3
-12345
4
-123500

39

Multiple Choice

Question image
1

19

2

19.4

3

19.38

4

19.380

40

Multiple Choice

Question image
1

百位

2

十位

3

十分位

4

百分位

41

media

42

Multiple Choice

12.455的有效數字是:

1

1,2,4

2

1,2

3

1,2,4,5

4

1,2,4,5,5

43

Multiple Choice

0.0012的有效數字是:

1

0,1,2

2

0,0,0,1,2

3

1,2

4

0,0,1,2

44

Multiple Choice

1.30x105的有效數字是:

1

1,3

2

1,3,0

3

1,3,0,1,0,5

4

1,3,0,0,0

第一章 有理數

By hang ku

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