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Tiếng ViệtBox A
Box B
Box C
Box D
Box E
Memory
9
7
6
8
9
6
17
17
22
10
27
11
0
0
0
0
0
0
7
5
6
4
7
6
6
7
12
10
7
4
7
9
4
6
14
9
May 2024
Wed, May 1
Thu, May 2
Fri, May 3
Sat, May 4
Sun, May 5
Mon, May 6
Tue, May 7
Wed, May 8
Thu, May 9
Fri, May 10
Sat, May 11
Sun, May 12
Mon, May 13
Tue, May 14
Wed, May 15
Thu, May 16
Fri, May 17
Sat, May 18
Sun, May 19
Mon, May 20
Tue, May 21
Wed, May 22
Thu, May 23
Fri, May 24
Sat, May 25
Sun, May 26
Mon, May 27
Tue, May 28
Wed, May 29
Thu, May 30
Fri, May 31
June
Sat, Jun 1
Sun, Jun 2
Mon, Jun 3
Tue, Jun 4
Wed, Jun 5
Thu, Jun 6
Fri, Jun 7
Sat, Jun 8
Sun, Jun 9
Mon, Jun 10
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July
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August
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September
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Tue, Sep 3
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Thu, Sep 5
Fri, Sep 6
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Mon, Sep 9
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October
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November
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December
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January 2025
Wed, Jan 1
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Fri, Jan 3
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Fri, Jan 31
February
Sat, Feb 1
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Tue, Feb 4
Wed, Feb 5
Thu, Feb 6
Fri, Feb 7
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Fri, Feb 28
March
Sat, Mar 1
Sun, Mar 2
Mon, Mar 3
Tue, Mar 4
Wed, Mar 5
Thu, Mar 6
Fri, Mar 7
Sat, Mar 8
Sun, Mar 9
Mon, Mar 10
Tue, Mar 11
Wed, Mar 12
Thu, Mar 13
Fri, Mar 14
Sat, Mar 15
Sun, Mar 16
Mon, Mar 17
Tue, Mar 18
Wed, Mar 19
Thu, Mar 20
Fri, Mar 21
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Sun, Mar 23
Mon, Mar 24
Tue, Mar 25
Wed, Mar 26
Thu, Mar 27
Fri, Mar 28
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Sun, Mar 30
Mon, Mar 31
April
Tue, Apr 1
Wed, Apr 2
Thu, Apr 3
Fri, Apr 4
Sat, Apr 5
Sun, Apr 6
Mon, Apr 7
Tue, Apr 8
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Thu, Apr 10
Fri, Apr 11
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Thu, Apr 17
Fri, Apr 18
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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
Memory
5
7
6
4
1
6
0
0
0
0
0
0
11
5
8
8
7
6
12
7
10
8
16
12
7
9
15
10
7
7
8
8
8
5
10
6
Box A
Box B
Box C
Box D
Box E
Memory
25
31
24
21
28
16
12
24
19
13
32
9
0
0
0
0
0
0
13
23
15
8
32
0
8
10
7
6
17
6
20
36
23
17
43
6
Box A
Box B
Box C
Box D
Box E
Memory
5
7
2
5
4
2
13
19
20
16
22
10
4
11
5
7
6
4
8
7
6
9
14
0
Box A
Box B
Box C
Box D
Box E
Memory
11
7
13
14
6
10
12
5
14
8
12
10
9
13
11
9
10
7
19
21
19
12
13
16
0
0
0
0
0
0
22
8
19
16
18
17
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 | B | C | A | E | C | A | A | B | D | A | B | B | C | E | A | A | C | B | ||
| 2 | C | D | C | C | E | C | M | M | M | B | D | C | B | E | D | E | B | B | |||
| 3 | A | A | A | A | D | C | D | D | A | C | A | C | C | D | C | A | A | ||||
| 4 | A | B | D | D | B | B | D | E | B | B | E | B | B | A | B | B | |||||
| 5 | A | C | A | A | B | C | A | A | E | C | M | M | C | A | B | ||||||
| 6 | B | A | A | D | M | M | B | A | D | D | A | A | A | A | |||||||
| 7 | A | C | D | A | B | C | B | E | E | B | B | E | C | ||||||||
| 8 | M | C | C | B | M | M | M | D | D | M | C | M | |||||||||
| 9 | A | A | C | A | A | E | A | D | A | D | A | ||||||||||
| 10 | C | A | B | B | B | A | C | B | E | B | |||||||||||
| 11 | B | E | A | C | A | A | B | B | B | ||||||||||||
| 12 | C | E | C | B | C | D | E | C | |||||||||||||
| 13 | B | C | A | B | C | B | E | ||||||||||||||
| 14 | A | E | C | B | B | C | |||||||||||||||
| 15 | B | A | A | C | B | ||||||||||||||||
| 16 | E | B | B | B | |||||||||||||||||
| 17 | B | B | A | ||||||||||||||||||
| 18 | A | B | |||||||||||||||||||
| 19 | D | ||||||||||||||||||||
| 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 | B | C | A | E | C | A | A | B | D | A | B | B | C | E | A | A | C | B | ||
| 2 | C | D | C | C | E | C | M | M | M | B | D | C | B | E | D | E | B | B | |||
| 3 | A | A | A | A | D | C | D | D | A | C | A | C | C | D | C | A | A | ||||
| 4 | A | B | D | D | B | B | D | E | B | B | E | B | B | A | B | B | |||||
| 5 | A | C | A | A | B | C | A | A | E | C | M | M | C | A | B | ||||||
| 6 | B | A | A | D | M | M | B | A | D | D | A | A | A | A | |||||||
| 7 | A | C | D | A | B | C | B | E | E | B | B | E | C | ||||||||
| 8 | M | C | C | B | M | M | M | D | D | M | C | M | |||||||||
| 9 | A | A | C | A | A | E | A | D | A | D | A | ||||||||||
| 10 | C | A | B | B | B | A | C | B | E | B | |||||||||||
| 11 | B | E | A | C | A | A | B | B | B | ||||||||||||
| 12 | C | E | C | B | C | D | E | C | |||||||||||||
| 13 | B | C | A | B | C | B | E | ||||||||||||||
| 14 | A | E | C | B | B | C | |||||||||||||||
| 15 | B | A | A | C | B | ||||||||||||||||
| 16 | E | B | B | B | |||||||||||||||||
| 17 | B | B | A | ||||||||||||||||||
| 18 | A | B | |||||||||||||||||||
| 19 | D | ||||||||||||||||||||
| 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 | C | B | |||||||||||||||||||
| 2 | B | C | C | ||||||||||||||||||
| 3 | M | A | A | D | |||||||||||||||||
| 4 | M | B | B | B | E | ||||||||||||||||
| 5 | M | E | A | B | C | C | |||||||||||||||
| 6 | D | A | A | A | A | A | C | ||||||||||||||
| 7 | E | B | C | E | C | A | B | D | |||||||||||||
| 8 | D | C | B | C | B | B | C | B | B | ||||||||||||
| 9 | A | A | A | A | A | A | A | A | A | A | |||||||||||
| 10 | B | C | D | A | B | B | A | A | C | B | D | ||||||||||
| 11 | E | B | A | C | E | B | A | B | B | A | |||||||||||
| 12 | B | B | E | A | D | A | A | D | A | D | B | ||||||||||
| 13 | B | C | A | B | A | A | A | A | B | A | D | B | |||||||||
| 14 | E | A | B | C | C | A | E | B | B | A | D | A | B | ||||||||
| 15 | A | A | C | C | C | B | A | B | C | E | A | A | B | A | |||||||
| 16 | C | D | E | A | B | A | C | B | B | C | B | C | B | B | A | ||||||
| 17 | E | A | A | A | B | B | E | B | A | B | C | E | A | C | B | A | |||||
| 18 | C | B | B | B | B | C | A | C | B | A | B | D | E | A | C | B | B | ||||
| 19 | E | C | A | C | B | B | B | B | E | C | D | A | B | D | C | D | E | E | |||
| 20 | B | D | D | C | D | M | B | C | B | B | D | D | C | M | D | C | B | E | D |
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 | C | B | |||||||||||||||||||
| 2 | B | C | C | ||||||||||||||||||
| 3 | M | A | A | D | |||||||||||||||||
| 4 | M | B | B | B | E | ||||||||||||||||
| 5 | M | E | A | B | C | C | |||||||||||||||
| 6 | D | A | A | A | A | A | C | ||||||||||||||
| 7 | E | B | C | E | C | A | B | D | |||||||||||||
| 8 | D | C | B | C | B | B | C | B | B | ||||||||||||
| 9 | A | A | A | A | A | A | A | A | A | A | |||||||||||
| 10 | B | C | D | A | B | B | A | A | C | B | D | ||||||||||
| 11 | E | B | A | C | E | B | A | B | B | A | |||||||||||
| 12 | B | B | E | A | D | A | A | D | A | D | B | ||||||||||
| 13 | B | C | A | B | A | A | A | A | B | A | D | B | |||||||||
| 14 | E | A | B | C | C | A | E | B | B | A | D | A | B | ||||||||
| 15 | A | A | C | C | C | B | A | B | C | E | A | A | B | A | |||||||
| 16 | C | D | E | A | B | A | C | B | B | C | B | C | B | B | A | ||||||
| 17 | E | A | A | A | B | B | E | B | A | B | C | E | A | C | B | A | |||||
| 18 | C | B | B | B | B | C | A | C | B | A | B | D | E | A | C | B | B | ||||
| 19 | E | C | A | C | B | B | B | B | E | C | D | A | B | D | C | D | E | E | |||
| 20 | B | D | D | C | D | M | B | C | B | B | D | D | C | M | D | C | B | E | D |
Need practiceMemory
| × | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 1 | B | B | D | B | C | E | B | E | E | E | A | A |
| 2 | B | B | B | C | M | D | M | C | D | B | D | C |
| 3 | A | A | A | A | A | D | D | A | D | A | D | D |
| 4 | B | B | B | B | B | B | B | B | E | E | B | A |
| 5 | A | C | A | B | B | B | B | E | C | C | A | C |
| 6 | B | B | C | M | B | A | A | C | A | A | A | D |
| 7 | C | C | B | A | D | C | E | A | B | B | E | E |
| 8 | C | B | M | D | B | M | M | D | C | C | D | B |
| 9 | C | D | C | D | E | A | C | A | A | C | E | D |
| 10 | D | B | A | B | A | E | B | C | E | C | C | B |
| 11 | E | E | C | B | E | E | E | E | C | C | A | E |
| 12 | A | E | E | B | D | D | A | E | B | D | E | B |
Need practiceMemory
| ÷ | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 1 | C | A | B | C | A | A | A | B | B | A |
| 2 | B | C | M | B | C | C | B | C | C | B |
| 3 | A | A | A | C | C | C | A | A | A | A |
| 4 | D | A | B | B | D | B | B | A | B | B |
| 5 | A | C | C | A | C | A | A | C | A | A |
| 6 | A | B | A | A | A | A | A | B | A | B |
| 7 | C | A | A | A | C | A | A | B | C | A |
| 8 | B | C | B | C | C | B | B | B | B | B |
| 9 | A | A | A | D | A | A | A | A | A | A |
| 10 | A | C | A | A | A | A | A | D | C | A |