Multiplication LV.1 การคูณ LV.1 BY.KRUTOP

1 8 × 4 = 11 3 × 7 = 21 5 × 4 =
2 9 × 5 = 12 6 × 5 = 22 4 × 6 =
3 7 × 9 = 13 1 × 5 = 23 6 × 1 =
4 7 × 6 = 14 2 × 7 = 24 9 × 7 =
5 5 × 2 = 15 4 × 4 = 25 7 × 6 =
6 3 × 1 = 16 7 × 1 = 26 1 × 7 =
7 2 × 3 = 17 5 × 2 = 27 2 × 5 =
8 1 × 5 = 18 6 × 3 = 28 6 × 6 =
9 4 × 4 = 19 9 × 6 = 29 9 × 4 =
10 6 × 1 = 20 2 × 9 = 30 7 × 1 =
1 7 × 6 = 11 4 × 3 = 21 9 × 6 =
2 8 × 3 = 12 7 × 2 = 22 7 × 6 =
3 9 × 2 = 13 9 × 1 = 23 4 × 7 =
4 6 × 1 = 14 8 × 4 = 24 1 × 4 =
5 1 × 4 = 15 5 × 7 = 25 6 × 5 =
6 2 × 7 = 16 2 × 6 = 26 5 × 3 =
7 4 × 9 = 17 1 × 3 = 27 7 × 1 =
8 3 × 6 = 18 6 × 5 = 28 8 × 4 =
9 9 × 4 = 19 3 × 4 = 29 9 × 7 =
10 7 × 1 = 20 9 × 7 = 30 9 × 9 =
1 7 × 4 = 11 4 × 6 = 21 9 × 9 =
2 8 × 5 = 12 9 × 5 = 22 7 × 8 =
3 9 × 6 = 13 8 × 2 = 23 4 × 7 =
4 4 × 3 = 14 7 × 1 = 24 1 × 9 =
5 7 × 1 = 15 4 × 4 = 25 5 × 6 =
6 8 × 4 = 16 4 × 7 = 26 6 × 5 =
7 7 × 7 = 17 6 × 8 = 27 3 × 4 =
8 4 × 5 = 18 3 × 9 = 28 3 × 7 =
9 6 × 6 = 19 1 × 6 = 29 7 × 6 =
10 4 × 4 = 20 2 × 3 = 30 4 × 9 =
ชุดที่ 1
พัฒนาชุดฝึกโดย ครูธนสรร อาชว์ปุริม โรงเรียนบ้านห้วยไทร
ฝึก 1
ชุดที่ 1 ชุดที่ 2 ชุดที่ 3 รวม
ชุดฝึกสูตรคูณ พัฒนาการคิด โรงเรียนบ้านห้วยไทร สาหรับประถม LV.1

1 8 × 4 = 11 3 × 7 = 21 5 × 4 =
2 9 × 5 = 12 6 × 5 = 22 4 × 6 =
3 7 × 9 = 13 1 × 5 = 23 6 × 1 =
4 7 × 6 = 14 2 × 7 = 24 9 × 7 =
5 5 × 2 = 15 4 × 4 = 25 7 × 6 =
6 3 × 1 = 16 7 × 1 = 26 1 × 7 =
7 2 × 3 = 17 5 × 2 = 27 2 × 5 =
8 1 × 5 = 18 6 × 3 = 28 6 × 6 =
9 4 × 4 = 19 9 × 6 = 29 9 × 4 =
10 6 × 1 = 20 2 × 9 = 30 7 × 1 =
1 7 × 6 = 11 4 × 3 = 21 9 × 6 =
2 8 × 3 = 12 7 × 2 = 22 7 × 6 =
3 9 × 2 = 13 9 × 1 = 23 4 × 7 =
4 6 × 1 = 14 8 × 4 = 24 1 × 4 =
5 1 × 4 = 15 5 × 7 = 25 6 × 5 =
6 2 × 7 = 16 2 × 6 = 26 5 × 3 =
7 4 × 9 = 17 1 × 3 = 27 7 × 1 =
8 3 × 6 = 18 6 × 5 = 28 8 × 4 =
9 9 × 4 = 19 3 × 4 = 29 9 × 7 =
10 7 × 1 = 20 9 × 7 = 30 9 × 9 =
1 7 × 4 = 11 4 × 6 = 21 9 × 9 =
2 8 × 5 = 12 9 × 5 = 22 7 × 8 =
3 9 × 6 = 13 8 × 2 = 23 4 × 7 =
4 4 × 3 = 14 7 × 1 = 24 1 × 9 =
5 7 × 1 = 15 4 × 4 = 25 5 × 6 =
6 8 × 4 = 16 4 × 7 = 26 6 × 5 =
7 7 × 7 = 17 6 × 8 = 27 3 × 4 =
8 4 × 5 = 18 3 × 9 = 28 3 × 7 =
9 6 × 6 = 19 1 × 6 = 29 7 × 6 =
10 4 × 4 = 20 2 × 3 = 30 4 × 9 =
45 30 24
63 5 6
พัฒนาชุดฝึกโดย ครูธนสรร อาชว์ปุริม โรงเรียนบ้านห้วยไทร ชุดที่ 1
32 21 20
ฝึก 1
5 18 36
16 54 36
3 7 7
6 10 10
42 14 63
10 16 42
6 32 4
4 35 30
24 14 42
18 9 28
6 18 7
42 12 54
7 63 81
28 24 81
18 30 32
36 12 63
14 12 15
36 3 7
28 30
49 48 12
12 7 9
7 16 30
40 45 56
54 16 28
ชุดฝึกสูตรคูณ พัฒนาการคิด โรงเรียนบ้านห้วยไทร สาหรับประถม LV.1 (เฉลย)
16 6 36
20 27 21
36 6 42
32

1 8 × 8 = 11 9 × 4 = 21 9 × 5 =
2 9 × 7 = 12 8 × 7 = 22 8 × 4 =
3 7 × 4 = 13 7 × 8 = 23 7 × 7 =
4 5 × 4 = 14 4 × 9 = 24 4 × 8 =
5 4 × 1 = 15 5 × 5 = 25 5 × 9 =
6 6 × 6 = 16 6 × 4 = 26 6 × 5 =
7 1 × 9 = 17 9 × 7 = 27 9 × 4 =
8 3 × 8 = 18 8 × 8 = 28 8 × 7 =
9 6 × 7 = 19 7 × 9 = 29 7 × 8 =
10 7 × 4 = 20 4 × 6 = 30 8 × 9 =
1 8 × 9 = 11 1 × 7 = 21 9 × 8 =
2 9 × 8 = 12 6 × 8 = 22 8 × 9 =
3 4 × 7 = 13 9 × 5 = 23 7 × 8 =
4 5 × 4 = 14 8 × 4 = 24 4 × 5 =
5 6 × 5 = 15 7 × 2 = 25 1 × 4 =
6 1 × 6 = 16 4 × 6 = 26 5 × 7 =
7 5 × 3 = 17 1 × 9 = 27 6 × 8 =
8 8 × 5 = 18 5 × 8 = 28 3 × 9 =
9 7 × 7 = 19 6 × 8 = 29 2 × 6 =
10 4 × 8 = 20 9 × 4 = 30 5 × 3 =
1 9 × 9 = 11 8 × 3 = 21 8 × 6 =
2 8 × 8 = 12 7 × 6 = 22 9 × 5 =
3 7 × 7 = 13 4 × 5 = 23 7 × 2 =
4 4 × 4 = 14 1 × 4 = 24 4 × 1 =
5 8 × 1 = 15 5 × 7 = 25 5 × 4 =
6 4 × 5 = 16 6 × 8 = 26 6 × 7 =
7 9 × 6 = 17 9 × 9 = 27 9 × 8 =
8 8 × 9 = 18 7 × 6 = 28 8 × 9 =
9 7 × 8 = 19 3 × 5 = 29 7 × 9 =
10 4 × 7 = 20 6 × 1 = 30 4 × 6 =
ชุดฝึกสูตรคูณ พัฒนาการคิด โรงเรียนบ้านห้วยไทร สาหรับประถม LV.1 ฝึก 2

1 8 × 8 = 11 9 × 4 = 21 9 × 5 =
2 9 × 7 = 12 8 × 7 = 22 8 × 4 =
3 7 × 4 = 13 7 × 8 = 23 7 × 7 =
4 5 × 4 = 14 4 × 9 = 24 4 × 8 =
5 4 × 1 = 15 5 × 5 = 25 5 × 9 =
6 6 × 6 = 16 6 × 4 = 26 6 × 5 =
7 1 × 9 = 17 9 × 7 = 27 9 × 4 =
8 3 × 8 = 18 8 × 8 = 28 8 × 7 =
9 6 × 7 = 19 7 × 9 = 29 7 × 8 =
10 7 × 4 = 20 4 × 6 = 30 8 × 9 =
1 8 × 9 = 11 1 × 7 = 21 9 × 8 =
2 9 × 8 = 12 6 × 8 = 22 8 × 9 =
3 4 × 7 = 13 9 × 5 = 23 7 × 8 =
4 5 × 4 = 14 8 × 4 = 24 4 × 5 =
5 6 × 5 = 15 7 × 2 = 25 1 × 4 =
6 1 × 6 = 16 4 × 6 = 26 5 × 7 =
7 5 × 3 = 17 1 × 9 = 27 6 × 8 =
8 8 × 5 = 18 5 × 8 = 28 3 × 9 =
9 7 × 7 = 19 6 × 8 = 29 2 × 6 =
10 4 × 8 = 20 9 × 4 = 30 5 × 3 =
1 9 × 9 = 11 8 × 3 = 21 8 × 6 =
2 8 × 8 = 12 7 × 6 = 22 9 × 5 =
3 7 × 7 = 13 4 × 5 = 23 7 × 2 =
4 4 × 4 = 14 1 × 4 = 24 4 × 1 =
5 8 × 1 = 15 5 × 7 = 25 5 × 4 =
6 4 × 5 = 16 6 × 8 = 26 6 × 7 =
7 9 × 6 = 17 9 × 9 = 27 9 × 8 =
8 8 × 9 = 18 7 × 6 = 28 8 × 9 =
9 7 × 8 = 19 3 × 5 = 29 7 × 9 =
10 4 × 7 = 20 6 × 1 = 30 4 × 6 =
20 36 32
4 25 45
63 56 32
28 56 49
ฝึก 2
64 36 45
28 24 72
72 7 72
24 64 56
42 63 56
36 24 30
9 63 36
6 24 35
15 9 48
20 32 20
30 14 4
72 48 72
28 45 56
64 42 45
49 20 14
32 36 15
81 24 48
40 40 27
49 48 12
72 42 72
56 15 63
20 48 42
54 81 72
16 4 4
8 35 20
28 6 24

1 8 × 4 = 11 9 × 8 = 21 9 × 8 =
2 9 × 7 = 12 8 × 9 = 22 6 × 5 =
3 7 × 8 = 13 7 × 3 = 23 8 × 3 =
4 4 × 9 = 14 7 × 6 = 24 8 × 6 =
5 1 × 6 = 15 7 × 4 = 25 7 × 8 =
6 6 × 5 = 16 8 × 5 = 26 4 × 5 =
7 9 × 4 = 17 5 × 7 = 27 5 × 7 =
8 8 × 7 = 18 6 × 8 = 28 8 × 4 =
9 7 × 8 = 19 5 × 6 = 29 9 × 6 =
10 6 × 9 = 20 3 × 9 = 30 8 × 9 =
1 2 × 8 = 11 2 × 8 = 21 7 × 9 =
2 6 × 5 = 12 9 × 4 = 22 8 × 8 =
3 9 × 6 = 13 8 × 7 = 23 9 × 8 =
4 8 × 3 = 14 7 × 5 = 24 6 × 7 =
5 3 × 2 = 15 5 × 6 = 25 3 × 4 =
6 9 × 1 = 16 6 × 4 = 26 6 × 6 =
7 8 × 4 = 17 9 × 7 = 27 5 × 3 =
8 7 × 8 = 18 8 × 9 = 28 4 × 6 =
9 4 × 9 = 19 7 × 6 = 29 7 × 5 =
10 5 × 6 = 20 4 × 5 = 30 8 × 8 =
1 9 × 3 = 11 9 × 7 = 21 9 × 8 =
2 8 × 6 = 12 8 × 7 = 22 8 × 9 =
3 7 × 5 = 13 7 × 8 = 23 7 × 8 =
4 4 × 7 = 14 4 × 9 = 24 4 × 7 =
5 5 × 4 = 15 5 × 5 = 25 5 × 5 =
6 6 × 4 = 16 6 × 4 = 26 8 × 6 =
7 9 × 7 = 17 3 × 7 = 27 6 × 4 =
8 8 × 8 = 18 2 × 8 = 28 3 × 7 =
9 7 × 9 = 19 1 × 9 = 29 5 × 8 =
10 6 × 3 = 20 4 × 8 = 30 4 × 5 =
ฝึก 3
ชุดฝึกสูตรคูณ พัฒนาการคิด โรงเรียนบ้านห้วยไทร สาหรับประถม LV.1

1 8 × 4 = 11 9 × 8 = 21 9 × 8 =
2 9 × 7 = 12 8 × 9 = 22 6 × 5 =
3 7 × 8 = 13 7 × 3 = 23 8 × 3 =
4 4 × 9 = 14 7 × 6 = 24 8 × 6 =
5 1 × 6 = 15 7 × 4 = 25 7 × 8 =
6 6 × 5 = 16 8 × 5 = 26 4 × 5 =
7 9 × 4 = 17 5 × 7 = 27 5 × 7 =
8 8 × 7 = 18 6 × 8 = 28 8 × 4 =
9 7 × 8 = 19 5 × 6 = 29 9 × 6 =
10 6 × 9 = 20 3 × 9 = 30 8 × 9 =
1 2 × 8 = 11 2 × 8 = 21 7 × 9 =
2 6 × 5 = 12 9 × 4 = 22 8 × 8 =
3 9 × 6 = 13 8 × 7 = 23 9 × 8 =
4 8 × 3 = 14 7 × 5 = 24 6 × 7 =
5 3 × 2 = 15 5 × 6 = 25 3 × 4 =
6 9 × 1 = 16 6 × 4 = 26 6 × 6 =
7 8 × 4 = 17 9 × 7 = 27 5 × 3 =
8 7 × 8 = 18 8 × 9 = 28 4 × 6 =
9 4 × 9 = 19 7 × 6 = 29 7 × 5 =
10 5 × 6 = 20 4 × 5 = 30 8 × 8 =
1 9 × 3 = 11 9 × 7 = 21 9 × 8 =
2 8 × 6 = 12 8 × 7 = 22 8 × 9 =
3 7 × 5 = 13 7 × 8 = 23 7 × 8 =
4 4 × 7 = 14 4 × 9 = 24 4 × 7 =
5 5 × 4 = 15 5 × 5 = 25 5 × 5 =
6 6 × 4 = 16 6 × 4 = 26 8 × 6 =
7 9 × 7 = 17 3 × 7 = 27 6 × 4 =
8 8 × 8 = 18 2 × 8 = 28 3 × 7 =
9 7 × 9 = 19 1 × 9 = 29 5 × 8 =
10 6 × 3 = 20 4 × 8 = 30 4 × 5 =
63 72 30
56 21 24
ฝึก 3
32 72 72
56 48 32
56 30 54
30 40 20
36 35 35
36 42 48
6 28 56
24 35 42
6 30 12
30 36 64
54 56 72
54 27 72
16 16 63
30 20 64
27 63 72
56 72 24
36 42 35
9 24 36
32 63 15
24 24 48
63 21 24
28 36 28
20 25 25
48 56 72
35 56 56
18 32 20
64 16 21
63 9 40

1 7 × 9 = 11 7 × 7 = 21 9 × 9 =
2 8 × 6 = 12 8 × 4 = 22 8 × 5 =
3 8 × 3 = 13 9 × 3 = 23 7 × 7 =
4 7 × 6 = 14 8 × 6 = 24 4 × 8 =
5 9 × 9 = 15 7 × 5 = 25 5 × 8 =
6 8 × 8 = 16 4 × 7 = 26 6 × 6 =
7 7 × 7 = 17 5 × 8 = 27 9 × 9 =
8 5 × 8 = 18 8 × 9 = 28 8 × 8 =
9 6 × 5 = 19 9 × 9 = 29 7 × 4 =
10 9 × 6 = 20 6 × 6 = 30 8 × 7 =
1 8 × 7 = 11 6 × 7 = 21 9 × 8 =
2 7 × 8 = 12 9 × 4 = 22 8 × 5 =
3 9 × 6 = 13 8 × 5 = 23 7 × 6 =
4 3 × 9 = 14 7 × 2 = 24 4 × 3 =
5 2 × 8 = 15 4 × 6 = 25 5 × 3 =
6 4 × 7 = 16 4 × 5 = 26 3 × 5 =
7 7 × 4 = 17 1 × 4 = 27 6 × 4 =
8 8 × 5 = 18 2 × 7 = 28 9 × 7 =
9 9 × 6 = 19 6 × 8 = 29 8 × 8 =
10 6 × 3 = 20 9 × 6 = 30 7 × 9 =
1 3 × 2 = 11 5 × 9 = 21 6 × 8 =
2 6 × 4 = 12 9 × 8 = 22 5 × 5 =
3 9 × 5 = 13 8 × 4 = 23 4 × 6 =
4 8 × 4 = 14 7 × 1 = 24 7 × 7 =
5 7 × 7 = 15 5 × 4 = 25 8 × 4 =
6 2 × 8 = 16 6 × 5 = 26 9 × 5 =
7 3 × 9 = 17 3 × 6 = 27 6 × 6 =
8 6 × 6 = 18 5 × 3 = 28 3 × 9 =
9 9 × 3 = 19 4 × 6 = 29 2 × 8 =
10 7 × 3 = 20 7 × 9 = 30 1 × 7 =

1 7 × 9 = 11 7 × 7 = 21 9 × 9 =
2 8 × 6 = 12 8 × 4 = 22 8 × 5 =
3 8 × 3 = 13 9 × 3 = 23 7 × 7 =
4 7 × 6 = 14 8 × 6 = 24 4 × 8 =
5 9 × 9 = 15 7 × 5 = 25 5 × 8 =
6 8 × 8 = 16 4 × 7 = 26 6 × 6 =
7 7 × 7 = 17 5 × 8 = 27 9 × 9 =
8 5 × 8 = 18 8 × 9 = 28 8 × 8 =
9 6 × 5 = 19 9 × 9 = 29 7 × 4 =
10 9 × 6 = 20 6 × 6 = 30 8 × 7 =
1 8 × 7 = 11 6 × 7 = 21 9 × 8 =
2 7 × 8 = 12 9 × 4 = 22 8 × 5 =
3 9 × 6 = 13 8 × 5 = 23 7 × 6 =
4 3 × 9 = 14 7 × 2 = 24 4 × 3 =
5 2 × 8 = 15 4 × 6 = 25 5 × 3 =
6 4 × 7 = 16 4 × 5 = 26 3 × 5 =
7 7 × 4 = 17 1 × 4 = 27 6 × 4 =
8 8 × 5 = 18 2 × 7 = 28 9 × 7 =
9 9 × 6 = 19 6 × 8 = 29 8 × 8 =
10 6 × 3 = 20 9 × 6 = 30 7 × 9 =
1 3 × 2 = 11 5 × 9 = 21 6 × 8 =
2 6 × 4 = 12 9 × 8 = 22 5 × 5 =
3 9 × 5 = 13 8 × 4 = 23 4 × 6 =
4 8 × 4 = 14 7 × 1 = 24 7 × 7 =
5 7 × 7 = 15 5 × 4 = 25 8 × 4 =
6 2 × 8 = 16 6 × 5 = 26 9 × 5 =
7 3 × 9 = 17 3 × 6 = 27 6 × 6 =
8 6 × 6 = 18 5 × 3 = 28 3 × 9 =
9 9 × 3 = 19 4 × 6 = 29 2 × 8 =
10 7 × 3 = 20 7 × 9 = 30 1 × 7 =
ฝึก 4
63 49 81
64 28 36
49 40 81
42 48 32
81 35 40
48 32 40
24 27 49
56 36 40
54 40 42
54 36 56
56 42 72
40 72 64
30 81 28
40 14 63
54 48 64
28 20 15
28 4 24
27 14 12
16 24 15
7 49
49 20 32
24 72 25
45 32 24
18 54 63
6 45 48
21 63 7
36 15 27
27 24 16
16 30 45
27 18 36
32

1 8 × 8 = 11 6 × 9 = 21 9 × 6 =
2 9 × 7 = 12 9 × 8 = 22 9 × 3 =
3 8 × 4 = 13 8 × 7 = 23 8 × 6 =
4 7 × 2 = 14 7 × 8 = 24 4 × 8 =
5 4 × 6 = 15 4 × 9 = 25 5 × 5 =
6 5 × 9 = 16 5 × 6 = 26 8 × 4 =
7 9 × 8 = 17 8 × 9 = 27 7 × 7 =
8 8 × 5 = 18 9 × 5 = 28 8 × 8 =
9 7 × 4 = 19 6 × 8 = 29 9 × 9 =
10 4 × 7 = 20 3 × 5 = 30 6 × 6 =
1 5 × 8 = 11 2 × 7 = 21 6 × 3 =
2 9 × 9 = 12 5 × 8 = 22 9 × 6 =
3 8 × 9 = 13 7 × 9 = 23 8 × 9 =
4 7 × 6 = 14 8 × 6 = 24 7 × 8 =
5 4 × 5 = 15 9 × 3 = 25 4 × 5 =
6 5 × 4 = 16 6 × 6 = 26 5 × 4 =
7 9 × 7 = 17 5 × 5 = 27 9 × 7 =
8 8 × 8 = 18 7 × 4 = 28 6 × 8 =
9 7 × 9 = 19 4 × 7 = 29 3 × 9 =
10 4 × 6 = 20 5 × 8 = 30 5 × 6 =
1 5 × 4 = 11 6 × 8 = 21 5 × 9 =
2 8 × 7 = 12 9 × 9 = 22 7 × 8 =
3 9 × 8 = 13 8 × 6 = 23 8 × 7 =
4 6 × 9 = 14 7 × 3 = 24 9 × 8 =
5 3 × 6 = 15 4 × 6 = 25 6 × 5 =
6 1 × 5 = 16 5 × 8 = 26 2 × 4 =
7 2 × 4 = 17 6 × 5 = 27 5 × 7 =
8 5 × 7 = 18 3 × 4 = 28 8 × 8 =
9 8 × 8 = 19 5 × 7 = 29 9 × 5 =
10 7 × 9 = 20 4 × 8 = 30 6 × 6 =

1 8 × 8 = 11 6 × 9 = 21 9 × 6 =
2 9 × 7 = 12 9 × 8 = 22 9 × 3 =
3 8 × 4 = 13 8 × 7 = 23 8 × 6 =
4 7 × 2 = 14 7 × 8 = 24 4 × 8 =
5 4 × 6 = 15 4 × 9 = 25 5 × 5 =
6 5 × 9 = 16 5 × 6 = 26 8 × 4 =
7 9 × 8 = 17 8 × 9 = 27 7 × 7 =
8 8 × 5 = 18 9 × 5 = 28 8 × 8 =
9 7 × 4 = 19 6 × 8 = 29 9 × 9 =
10 4 × 7 = 20 3 × 5 = 30 6 × 6 =
1 5 × 8 = 11 2 × 7 = 21 6 × 3 =
2 9 × 9 = 12 5 × 8 = 22 9 × 6 =
3 8 × 9 = 13 7 × 9 = 23 8 × 9 =
4 7 × 6 = 14 8 × 6 = 24 7 × 8 =
5 4 × 5 = 15 9 × 3 = 25 4 × 5 =
6 5 × 4 = 16 6 × 6 = 26 5 × 4 =
7 9 × 7 = 17 5 × 5 = 27 9 × 7 =
8 8 × 8 = 18 7 × 4 = 28 6 × 8 =
9 7 × 9 = 19 4 × 7 = 29 3 × 9 =
10 4 × 6 = 20 5 × 8 = 30 5 × 6 =
1 5 × 4 = 11 6 × 8 = 21 5 × 9 =
2 8 × 7 = 12 9 × 9 = 22 7 × 8 =
3 9 × 8 = 13 8 × 6 = 23 8 × 7 =
4 6 × 9 = 14 7 × 3 = 24 9 × 8 =
5 3 × 6 = 15 4 × 6 = 25 6 × 5 =
6 1 × 5 = 16 5 × 8 = 26 2 × 4 =
7 2 × 4 = 17 6 × 5 = 27 5 × 7 =
8 5 × 7 = 18 3 × 4 = 28 8 × 8 =
9 8 × 8 = 19 5 × 7 = 29 9 × 5 =
10 7 × 9 = 20 4 × 8 = 30 6 × 6 =
32 56 48
14 56 32
64 54 54
63 72 27
ชุดฝึกสูตรคูณ พัฒนาการคิด โรงเรียนบ้านห้วยไทร สาหรับประถม LV.1 (เฉลย) ฝึก 5
28 48 81
28 15 36
72 72 49
40 45 64
24 36 25
45 30 32
42 48 56
20 27 20
81 40 54
72 63 72
40 14 18
24 40 30
64 28 48
63 28 27
20 36 20
63 25 63
18 24 30
5 40 8
72 48 56
54 21 72
20 48 45
56 81 56
64 35 45
63 32 36
8 30 35
35 12 64

Multiplication LV.1 การคูณ LV.1 BY.KRUTOP

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Multiplication LV.1 การคูณ LV.1 BY.KRUTOP