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Tiếng ViệtBox A
Box B
Box C
Box D
Box E
记忆
9
7
6
8
9
6
12
21
9
21
29
12
0
0
0
0
0
0
7
2
9
5
8
4
11
11
4
6
10
4
5
11
7
8
9
9
May 2024
Wed, May 1
Thu, May 2
Fri, May 3
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Mon, May 6
Tue, May 7
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Thu, May 9
Fri, May 10
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Fri, May 17
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Tue, May 21
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Mon, May 27
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Wed, May 29
Thu, May 30
Fri, May 31
June
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Sun, Jun 2
Mon, Jun 3
Tue, Jun 4
Wed, Jun 5
Thu, Jun 6
Fri, Jun 7
Sat, Jun 8
Sun, Jun 9
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Tue, Jun 11
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Fri, Jun 14
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July
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August
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September
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October
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November
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December
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January 2025
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February
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March
Sat, Mar 1
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Tue, Mar 4
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Thu, Mar 6
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Mon, Mar 10
Tue, Mar 11
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April
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Thu, Apr 24
Fri, Apr 25
Sat, Apr 26
Sun, Apr 27
Mon, Apr 28
Tue, Apr 29
Wed, Apr 30
Box A
Box B
Box C
Box D
Box E
记忆
1
3
4
8
5
8
0
0
0
0
0
0
8
6
4
10
8
9
9
16
7
7
18
8
4
5
10
13
11
12
6
8
10
8
8
5
Box A
Box B
Box C
Box D
Box E
记忆
27
33
22
14
36
13
16
23
19
12
30
9
0
0
0
0
0
0
14
22
14
9
32
0
4
14
9
8
11
8
23
28
31
12
46
5
Box A
Box B
Box C
Box D
Box E
记忆
5
3
6
5
2
4
13
17
17
15
23
15
6
3
6
9
9
4
4
8
8
9
12
3
Box A
Box B
Box C
Box D
Box E
记忆
13
7
11
14
8
8
13
6
12
12
7
11
7
11
13
10
14
4
19
20
12
11
22
16
0
0
0
0
0
0
19
20
16
13
18
14
Addition
Need practiceMemory
| + | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 0 | |||||||||||||||||||||
| 1 | B | A | D | B | B | B | E | E | E | B | A | B | C | B | B | A | A | A | C | ||
| 2 | M | B | E | C | C | D | B | M | B | B | B | C | E | C | B | D | B | C | |||
| 3 | A | D | A | A | D | A | D | M | A | D | E | A | C | A | C | A | C | ||||
| 4 | D | D | D | D | B | E | M | B | E | D | A | A | B | M | B | A | |||||
| 5 | A | M | B | C | A | B | E | E | C | A | C | A | M | A | A | ||||||
| 6 | B | A | D | D | C | D | B | A | D | A | C | A | D | D | |||||||
| 7 | E | E | C | E | E | E | E | C | D | B | B | B | C | ||||||||
| 8 | D | M | B | D | M | B | M | M | B | M | C | C | |||||||||
| 9 | A | E | M | A | D | M | A | A | C | A | C | ||||||||||
| 10 | A | A | B | A | B | C | C | A | C | A | |||||||||||
| 11 | B | B | E | B | B | A | C | A | B | ||||||||||||
| 12 | D | B | B | E | C | D | E | A | |||||||||||||
| 13 | B | B | E | B | A | D | B | ||||||||||||||
| 14 | A | A | A | A | B | B | |||||||||||||||
| 15 | A | E | E | C | C | ||||||||||||||||
| 16 | B | A | B | C | |||||||||||||||||
| 17 | E | A | B | ||||||||||||||||||
| 18 | B | B | |||||||||||||||||||
| 19 | A | ||||||||||||||||||||
| 20 |
Addition
Need practiceMemory
| + | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 0 | |||||||||||||||||||||
| 1 | B | A | D | B | B | B | E | E | E | B | A | B | C | B | B | A | A | A | C | ||
| 2 | M | B | E | C | C | D | B | M | B | B | B | C | E | C | B | D | B | C | |||
| 3 | A | D | A | A | D | A | D | M | A | D | E | A | C | A | C | A | C | ||||
| 4 | D | D | D | D | B | E | M | B | E | D | A | A | B | M | B | A | |||||
| 5 | A | M | B | C | A | B | E | E | C | A | C | A | M | A | A | ||||||
| 6 | B | A | D | D | C | D | B | A | D | A | C | A | D | D | |||||||
| 7 | E | E | C | E | E | E | E | C | D | B | B | B | C | ||||||||
| 8 | D | M | B | D | M | B | M | M | B | M | C | C | |||||||||
| 9 | A | E | M | A | D | M | A | A | C | A | C | ||||||||||
| 10 | A | A | B | A | B | C | C | A | C | A | |||||||||||
| 11 | B | B | E | B | B | A | C | A | B | ||||||||||||
| 12 | D | B | B | E | C | D | E | A | |||||||||||||
| 13 | B | B | E | B | A | D | B | ||||||||||||||
| 14 | A | A | A | A | B | B | |||||||||||||||
| 15 | A | E | E | C | C | ||||||||||||||||
| 16 | B | A | B | C | |||||||||||||||||
| 17 | E | A | B | ||||||||||||||||||
| 18 | B | B | |||||||||||||||||||
| 19 | A | ||||||||||||||||||||
| 20 |
Subtraction
Need practiceMemory
| – | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 0 | |||||||||||||||||||||
| 1 | E | B | |||||||||||||||||||
| 2 | C | C | C | ||||||||||||||||||
| 3 | E | A | A | D | |||||||||||||||||
| 4 | B | B | A | E | D | ||||||||||||||||
| 5 | M | B | E | A | B | B | |||||||||||||||
| 6 | M | A | B | A | C | A | B | ||||||||||||||
| 7 | E | A | B | B | E | A | C | A | |||||||||||||
| 8 | C | B | B | M | B | D | B | B | M | ||||||||||||
| 9 | A | A | A | A | C | C | A | E | A | C | |||||||||||
| 10 | C | D | A | B | C | B | B | B | B | A | B | ||||||||||
| 11 | D | D | B | B | C | B | E | A | A | B | |||||||||||
| 12 | D | A | B | A | E | C | E | A | B | C | C | ||||||||||
| 13 | C | B | B | C | C | A | A | A | C | D | D | E | |||||||||
| 14 | B | E | B | B | A | B | B | B | B | C | B | E | D | ||||||||
| 15 | A | B | C | C | A | A | E | B | B | A | E | A | B | A | |||||||
| 16 | A | E | A | B | C | A | B | A | B | E | E | B | C | B | A | ||||||
| 17 | A | B | A | E | E | A | E | A | E | D | C | C | A | C | B | B | |||||
| 18 | A | E | B | B | B | E | A | B | B | E | A | A | C | A | E | A | A | ||||
| 19 | A | A | B | A | C | B | B | B | A | A | C | B | B | D | C | B | C | B | |||
| 20 | C | M | B | C | C | E | D | C | B | D | M | B | C | C | B | D | B | C | C |
Subtraction
Need practiceMemory
| – | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 0 | |||||||||||||||||||||
| 1 | E | B | |||||||||||||||||||
| 2 | C | C | C | ||||||||||||||||||
| 3 | E | A | A | D | |||||||||||||||||
| 4 | B | B | A | E | D | ||||||||||||||||
| 5 | M | B | E | A | B | B | |||||||||||||||
| 6 | M | A | B | A | C | A | B | ||||||||||||||
| 7 | E | A | B | B | E | A | C | A | |||||||||||||
| 8 | C | B | B | M | B | D | B | B | M | ||||||||||||
| 9 | A | A | A | A | C | C | A | E | A | C | |||||||||||
| 10 | C | D | A | B | C | B | B | B | B | A | B | ||||||||||
| 11 | D | D | B | B | C | B | E | A | A | B | |||||||||||
| 12 | D | A | B | A | E | C | E | A | B | C | C | ||||||||||
| 13 | C | B | B | C | C | A | A | A | C | D | D | E | |||||||||
| 14 | B | E | B | B | A | B | B | B | B | C | B | E | D | ||||||||
| 15 | A | B | C | C | A | A | E | B | B | A | E | A | B | A | |||||||
| 16 | A | E | A | B | C | A | B | A | B | E | E | B | C | B | A | ||||||
| 17 | A | B | A | E | E | A | E | A | E | D | C | C | A | C | B | B | |||||
| 18 | A | E | B | B | B | E | A | B | B | E | A | A | C | A | E | A | A | ||||
| 19 | A | A | B | A | C | B | B | B | A | A | C | B | B | D | C | B | C | B | |||
| 20 | C | M | B | C | C | E | D | C | B | D | M | B | C | C | B | D | B | C | C |
Need practiceMemory
| × | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 1 | C | E | E | A | B | E | E | B | B | E | E | B |
| 2 | C | D | B | B | C | M | C | C | M | M | D | E |
| 3 | A | A | A | C | C | E | A | M | A | M | D | D |
| 4 | B | A | D | B | A | D | A | B | E | M | M | M |
| 5 | C | B | C | C | B | C | C | C | C | A | C | C |
| 6 | B | D | D | D | A | B | A | A | A | A | D | D |
| 7 | C | A | D | C | B | E | B | A | E | A | E | D |
| 8 | C | E | B | M | M | D | D | M | B | B | M | B |
| 9 | D | M | A | D | C | D | M | C | D | D | C | D |
| 10 | E | E | C | E | E | A | C | E | E | A | E | A |
| 11 | C | E | E | B | A | B | B | C | E | A | C | D |
| 12 | E | B | A | E | E | C | C | E | D | B | B | E |
Need practiceMemory
| ÷ | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 1 | A | E | B | B | B | B | A | B | C | C |
| 2 | C | B | B | B | C | C | B | E | D | C |
| 3 | D | C | A | D | A | A | A | A | A | C |
| 4 | A | B | B | B | A | B | D | B | B | B |
| 5 | A | C | A | A | A | A | A | C | A | C |
| 6 | A | D | B | A | A | A | A | A | A | A |
| 7 | B | A | A | B | B | C | B | B | A | A |
| 8 | B | C | B | B | B | C | B | B | C | B |
| 9 | A | A | A | A | A | A | C | A | C | A |
| 10 | B | A | A | A | C | B | B | A | B | A |