เล่ม4

STAD STAD
4
-

STAD

1 6
1 9
12
2 13
2 15
17
3 18
3 20
23
- 24
26
...... 27
28
29
30
31

1 ......... 32
1 ......... 35
36
2 ............... 38
3 39
41

1. 1
STAD
-
2. STAD
3.
4-5
4.
5.
6.

STAD 2

1. -
1.1

1.2
1.3

2.
3.
4.

5.
6.

7.

8.

9.

3

12

2. K)
P A)

4

4

10 X
1

1. 63 9
70
63 1 63 1
70 9 70 9
63 9 70 1
70 1 63 9

2. 14 49
50
6 11
2 3
14 7 18 14

3. 18 6
36
12 18
1 1
6 12

4. 4 ÷ 2
9 5
1 3
1 9 1 5

13 7
45 18

5. 3 19
7 28
8 9
19 19
11 12
19 19

5

6. 76
10 12
3 2
10 1 5

9 1 19
14 30

7. 1 3 2 2
5 3
1 3
6 5
14 2
15 1 3

8. 2 2 3 1
9 3
2
3 8
18 11
25 15

9. 3 3 2 7
11 10
8 9
1 11 19

11 1 7
19 33

10. 2 5 1 26
15 30
8 24
15 35
1 2
4 1 3

6

1

1 4
2

1
2

1 23 4 1
2
1111
8888 1
8

1 4 1
2 8

1 ÷ 4 =
2

1 4 14
2 21

11

24

1

8

7

4 1
2

11 11 11 11 1
22 22 22 22 2

12 34 56 78 41
2

4 1
2

4 1 41
2 12

42
11

8

8

1.1 2 6
3

2 6 26
3 31
21 1
3 6
1 1 3

33

1
9

1.2 8 5
7

8 5 85
7 17

87
15

56
5

11 51

9

1

(2

4÷ 9 =
13

4÷ 9 = 4 × 13
13 1 9
4×13
= 1×9

52 = 5 7
9 9

1) 3 ÷6 =
5

10

2) 99 11
12

3) 42 14
15

11

4) 13 65
21

5) 112 42
160

12

1

(1

1) 5 4
9

2) 4 5
3

3) 147 7
35

4) 10 5
22

5) 14 14
49

6) 18 9
42

7) 12 15
24

8) 27 12
15

9) 12 10
25

10) 9 27
12

13

2

1.
2.
3.

11 14
24 21
42
11 21
24
2

14

1.
2.
3.

62 633
11 3 11 2 1
62 33
11 3 11 1
9
11

15

2

31 (2
52 ......

31 32
5 2 65 1
5
=

= 1 1
5

1) 25
96

2) 2 14
3 27

16

3) 15 3
16 4

4) 45 63
49 105

5) 33 57
39 65

17

2

(1

1) 4 5
5 4

2) 7 4
12 5

3) 7 16
14 18

4) 8 9
24 16

5) 13 39
56 28

6) 35 21
32 24

7) 63 77
102 154

8) 4 9
36 18

9) 25 9
45 27

10) 8 36
18 16

18

3

1.
2.
3.
4.

1 3 3
5 5

1 3 3 83
5 5 55

85
53
40 8
15 3

8
3

2 2
3

19

1.
2.
3.
4.

2 1 1 5
4 6

2 1 1 5 9 11
4 6 46
9 63
942 11
2 2331

27
2

13 1
2

20

3

(3

7 3 3
36 6

7 ÷ 21 = 7 × 6
36 6 36 21
1×1
= 6×3

= 1
18

1) 1 1 3
5 4

21

2) 1 2 1 3
3 7

3) 2 2 3 1
9 3

22

4) 9 3 2 3
4 4

5) 4 1 2 8
3 9

23

3

(1

1) 3 1 1
7 14

2) 2 6 2
15 5

3) 8 3 4 1
4 6

4) 5 5 8 1
8 3

5) 3 2 1 5
3 6

6) 3 5 4
10 5

7) 4 5 2 10
6 24

8) 10 4 2
25 5

9) 11 1 3 5
9 15

10) 1 2 1 6
5 20

24

4

10 X
1

1) 14 49
50
6 11
2 3
14 7 18 14

2) 63 9
70
63 1 63 1
70 9 70 9
63 9 70 1
70 1 63 9

3) 3 19
7 28
8 9
19 19
11 12
19 19

4) 18 6
36
12 18
1 1
6 12

5) 4 ÷ 2
9 5
1 3
1 9 1 5

13 7
45 18

25

6) 1 3 2 2
5 3
1 3
6 5
14 2
15 1 3

7) 76
10 12
3 2
10 1 5

9 1 19
14 30

8) 2 5 1 26
15 30
8 24
15 35
1 2
4 1 3

9) 2 2 3 1
9 3
2
3 8
18 11
25 15

10) 3 3 2 7
11 10
8 9
1 11 19

11 1 7
19 33

26

10

27

:

: II

2559 6 1. :

2557 6 1
2551 :

:
58

:.

:. .
2558

6. :

28

29

-

4

1. 1.
2. 2.
3. 3.
4. 4.
5. 5.
6. 6.
7. 7.
8. 8.
9. 9.
10. 10.

4 30

1. 1, 2 2 2
3
3. 1
2. 3 3
0
.
1.

31

-
-

32

1

(2

1) 3 ÷6 =
5

3 ÷6 = 3 × 1
5 5 6
31
30 10
1
10
3 3 ×1 1
5 ÷6 = 5 6 2

11
52
1
10

33

2) 99÷ 11 =
12

99 ÷ 11 = 919 × 12
1 12 11
1,188108
11 1

= 108

99 ÷ 11 = 9199× 12
1 12 111
9×12
= 1×1

= 108

3) 42÷ 14 =
15

42 ÷ 14 = 42 × 15
1 15 1 14
630 45
141

= 45

42 ÷ 14 = 4123× 15 1
1 15 14
3×15
= 1×1

= 45

34

4) 13 65
21

13 ÷65 = 2131 × 1
21 65
131
1,365105
1
= 105

13 ÷65 = 13 ×1 1 5
21 21 65
11
21 5
1
= 105

5) 116120÷42=

116120 ÷ 42 = 116120× 1
42
112 1
6,7206
1
= 60

112 ÷42 = 118612×108×1 1 3
160 = 42
=
161 0×2 3
60

35

1

1) 5 4 (1
9
5
2) 4 5 45
3 4
15
3) 147 7 3
35 5
1
4) 10 5 11
22 1
49
5) 14 14 1
49 21
1
6) 18 9 30
42 3
20
7) 12 15 6
24 125
1
8) 27 12 36
15

9) 12 10
25

10) 9 27
12

36

2

(2

1) 25
96

2 ÷ 5 = 2 × 6 2 ÷ 5 = 2 ×3 6 2
9 6 9 5 9 6 9 5
12 4 2×2
45 1 = 3×5

= 4 = 4
15 15

2) 2 14
3 27

2 ÷ 14 = 2 × 27 2 ÷ 14 = 2 ×11 27 9
3 27 3 14 3 27 3 14 7
54 9
42 7 19
17
9 9
7
2 7 2
7 7
1 1

37

3) 1156 43

15 ÷ 3 = 116560×5 4 15 ÷ 3 = 11556××45143 1
16 4 3 16 4 = 1

48 4 4×1

5 5
4 4
1
= 1 1 = 1 4
4

4) 4459 ÷ 63 =
105

45 ÷ 63 = 444359,,70×2875166047354517459 45 ÷ 63 = 44559×5×7151603571
49 105 75 49 105 = 7×7
49
75
49
26 26
1 49 1 49

5) 33 ÷ 57 =
39 65

33 ÷ 57 = 33 × 65 33 ÷ 57 = 33 ×11 65 19
39 65 39 57 39 65 39 57
2,145 715 3
11×5
2,223 741 = 3×19

= 55 = 55
57 57

38

2

(1

1) 4 5 1
5 4

2) 7 4 35
12 5 48

3) 7 16 9
14 18 16

4) 8 9 16
24 16 27

5) 13 39 1
56 28 6

6) 35 21 1 1
32 24 4

7) 63 77 1 4
102 154 17

8) 4 9 2
36 18 9

9) 25 9 1 2
45 27 3

10) 8 36 16
18 16 81

39

3

(3

1) 1 1 ÷ 3 =
5 4

6 ÷ 3 = 5624×8 4 6 ÷ 3 = 562× 4 1
5 4 3 5 4 3
2×4
155 = 5×1

8 8
5 5

1 3 1 3
5 5

2) 1 2 1 3
3 7

5 ÷ 10 = 3535×7 7 5 ÷ 10 = 5 1 7 2
3 7 10 3 7 3 10
×

30 5 = 1×7
3×2
7 7
6 6

1 1 1 1
6 6

40

3) 2 2 3 1
9 3

20 10 20 3 20 10 202 3
93 6092 10 93 9 101
903 2×1
2 = 3×1
3
2
3

4) 9 3 2 3
4 4

39 ÷ 11 = 314596×1 4 39 ÷ 11 = 3491× 4 1
4 4 11 4 4 11
39×1
441 = 1×11

39 39
11 11

3 6 3 6
11 11

5) 4 1 2 8
3 9
3
13 ÷ 26 = 133 × 296 13 ÷ 26 = 13 ×1 9 2
3 9 3 9 3 26
117 3 1
1×3
78 2 = 1×2

3 3
2 2
1 1
1 2 1 2

41

3

1) 3 1 1 (1
7 14
2
5

2) 2 6 2
15 5

3) 8 3 4 1 1 31
4 6 50

4) 5 5 8 1 1 27
8 3 40

5) 3 2 1 5 2
3 6

6) 3 5 4 3
10 5 8
2
7) 4 5 2 10
16 24

8) 10 4 2 1
25 5 11

9) 11 1 3 5 3 1
9 15 3

10) 1 2 1 6 1 1
5 20 13