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Tiếng ViệtBox A
Box B
Box C
Box D
Box E
Memori
11
4
4
11
8
7
0
0
0
0
0
0
5
4
4
3
3
5
6
7
4
8
5
5
0
0
0
0
0
0
8
3
8
14
12
4
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
Tue, Jun 11
Wed, Jun 12
Thu, Jun 13
Fri, Jun 14
Sat, Jun 15
Sun, Jun 16
Mon, Jun 17
Tue, Jun 18
Wed, Jun 19
Thu, Jun 20
Fri, Jun 21
Sat, Jun 22
Sun, Jun 23
Mon, Jun 24
Tue, Jun 25
Wed, Jun 26
Thu, Jun 27
Fri, Jun 28
Sat, Jun 29
Sun, Jun 30
July
Mon, Jul 1
Tue, Jul 2
Wed, Jul 3
Thu, Jul 4
Fri, Jul 5
Sat, Jul 6
Sun, Jul 7
Mon, Jul 8
Tue, Jul 9
Wed, Jul 10
Thu, Jul 11
Fri, Jul 12
Sat, Jul 13
Sun, Jul 14
Mon, Jul 15
Tue, Jul 16
Wed, Jul 17
Thu, Jul 18
Fri, Jul 19
Sat, Jul 20
Sun, Jul 21
Mon, Jul 22
Tue, Jul 23
Wed, Jul 24
Thu, Jul 25
Fri, Jul 26
Sat, Jul 27
Sun, Jul 28
Mon, Jul 29
Tue, Jul 30
Wed, Jul 31
August
Thu, Aug 1
Fri, Aug 2
Sat, Aug 3
Sun, Aug 4
Mon, Aug 5
Tue, Aug 6
Wed, Aug 7
Thu, Aug 8
Fri, Aug 9
Sat, Aug 10
Sun, Aug 11
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Tue, Aug 13
Wed, Aug 14
Thu, Aug 15
Fri, Aug 16
Sat, Aug 17
Sun, Aug 18
Mon, Aug 19
Tue, Aug 20
Wed, Aug 21
Thu, Aug 22
Fri, Aug 23
Sat, Aug 24
Sun, Aug 25
Mon, Aug 26
Tue, Aug 27
Wed, Aug 28
Thu, Aug 29
Fri, Aug 30
Sat, Aug 31
September
Sun, Sep 1
Mon, Sep 2
Tue, Sep 3
Wed, Sep 4
Thu, Sep 5
Fri, Sep 6
Sat, Sep 7
Sun, Sep 8
Mon, Sep 9
Tue, Sep 10
Wed, Sep 11
Thu, Sep 12
Fri, Sep 13
Sat, Sep 14
Sun, Sep 15
Mon, Sep 16
Tue, Sep 17
Wed, Sep 18
Thu, Sep 19
Fri, Sep 20
Sat, Sep 21
Sun, Sep 22
Mon, Sep 23
Tue, Sep 24
Wed, Sep 25
Thu, Sep 26
Fri, Sep 27
Sat, Sep 28
Sun, Sep 29
Mon, Sep 30
October
Tue, Oct 1
Wed, Oct 2
Thu, Oct 3
Fri, Oct 4
Sat, Oct 5
Sun, Oct 6
Mon, Oct 7
Tue, Oct 8
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November
Fri, Nov 1
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Fri, Nov 8
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December
Sun, Dec 1
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Tue, Dec 3
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Thu, Dec 5
Fri, Dec 6
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Tue, Dec 10
Wed, Dec 11
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Thu, Dec 26
Fri, Dec 27
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Mon, Dec 30
Tue, Dec 31
January 2025
Wed, Jan 1
Thu, Jan 2
Fri, Jan 3
Sat, Jan 4
Sun, Jan 5
Mon, Jan 6
Tue, Jan 7
Wed, Jan 8
Thu, Jan 9
Fri, Jan 10
Sat, Jan 11
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Mon, Jan 13
Tue, Jan 14
Wed, Jan 15
Thu, Jan 16
Fri, Jan 17
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Tue, Jan 21
Wed, Jan 22
Thu, Jan 23
Fri, Jan 24
Sat, Jan 25
Sun, Jan 26
Mon, Jan 27
Tue, Jan 28
Wed, Jan 29
Thu, Jan 30
Fri, Jan 31
February
Sat, Feb 1
Sun, Feb 2
Mon, Feb 3
Tue, Feb 4
Wed, Feb 5
Thu, Feb 6
Fri, Feb 7
Sat, Feb 8
Sun, Feb 9
Mon, Feb 10
Tue, Feb 11
Wed, Feb 12
Thu, Feb 13
Fri, Feb 14
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Sun, Feb 16
Mon, Feb 17
Tue, Feb 18
Wed, Feb 19
Thu, Feb 20
Fri, Feb 21
Sat, Feb 22
Sun, Feb 23
Mon, Feb 24
Tue, Feb 25
Wed, Feb 26
Thu, Feb 27
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
Sat, Mar 22
Sun, Mar 23
Mon, Mar 24
Tue, Mar 25
Wed, Mar 26
Thu, Mar 27
Fri, Mar 28
Sat, Mar 29
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
Wed, Apr 9
Thu, Apr 10
Fri, Apr 11
Sat, Apr 12
Sun, Apr 13
Mon, Apr 14
Tue, Apr 15
Wed, Apr 16
Thu, Apr 17
Fri, Apr 18
Sat, Apr 19
Sun, Apr 20
Mon, Apr 21
Tue, Apr 22
Wed, Apr 23
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
Memori
2
7
4
5
7
4
5
12
18
10
9
11
7
7
6
12
8
5
10
6
11
20
11
7
7
6
10
9
15
8
0
0
0
0
0
0
Box A
Box B
Box C
Box D
Box E
Memori
23
25
11
49
22
15
0
0
0
0
0
0
9
23
19
45
30
19
7
15
15
39
14
1
3
5
12
18
11
5
9
23
23
62
25
3
Box A
Box B
Box C
Box D
Box E
Memori
5
1
5
3
6
5
0
0
0
0
0
0
4
5
6
7
7
8
7
4
7
17
6
3
Box A
Box B
Box C
Box D
Box E
Memori
10
10
8
9
10
14
9
9
8
17
9
9
6
4
10
21
13
5
15
11
19
21
25
9
9
17
10
15
26
13
14
17
14
18
21
16
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 | C | C | C | C | C | B | D | C | C | C | |||||||||||
| 1 | D | A | A | C | B | B | C | B | B | B | B | D | D | D | D | A | D | C | A | B | |
| 2 | E | E | D | C | D | B | C | E | B | D | E | B | E | D | E | D | D | B | B | ||
| 3 | M | A | A | D | E | D | D | M | E | D | A | M | D | A | A | M | A | E | |||
| 4 | B | B | A | A | A | A | A | A | A | A | B | M | A | B | A | D | A | ||||
| 5 | A | B | B | B | B | A | A | B | A | B | B | B | B | B | B | B | |||||
| 6 | C | C | B | C | C | A | B | D | A | B | A | B | C | A | A | ||||||
| 7 | D | B | C | B | C | B | A | A | A | D | B | D | B | D | |||||||
| 8 | M | B | C | E | E | E | D | E | C | B | E | B | E | ||||||||
| 9 | M | A | A | D | C | M | C | D | E | D | E | A | |||||||||
| 10 | E | D | C | C | D | B | D | B | A | D | B | ||||||||||
| 11 | B | B | D | C | C | C | B | C | D | ||||||||||||
| 12 | D | D | D | E | B | D | B | D | |||||||||||||
| 13 | D | D | B | D | C | D | A | ||||||||||||||
| 14 | A | A | D | A | D | B | |||||||||||||||
| 15 | B | D | B | D | B | ||||||||||||||||
| 16 | D | C | B | B | |||||||||||||||||
| 17 | C | D | B | ||||||||||||||||||
| 18 | B | D | |||||||||||||||||||
| 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 | C | C | C | C | C | B | D | C | C | C | |||||||||||
| 1 | D | A | A | C | B | B | C | B | B | B | B | D | D | D | D | A | D | C | A | B | |
| 2 | E | E | D | C | D | B | C | E | B | D | E | B | E | D | E | D | D | B | B | ||
| 3 | M | A | A | D | E | D | D | M | E | D | A | M | D | A | A | M | A | E | |||
| 4 | B | B | A | A | A | A | A | A | A | A | B | M | A | B | A | D | A | ||||
| 5 | A | B | B | B | B | A | A | B | A | B | B | B | B | B | B | B | |||||
| 6 | C | C | B | C | C | A | B | D | A | B | A | B | C | A | A | ||||||
| 7 | D | B | C | B | C | B | A | A | A | D | B | D | B | D | |||||||
| 8 | M | B | C | E | E | E | D | E | C | B | E | B | E | ||||||||
| 9 | M | A | A | D | C | M | C | D | E | D | E | A | |||||||||
| 10 | E | D | C | C | D | B | D | B | A | D | B | ||||||||||
| 11 | B | B | D | C | C | C | B | C | D | ||||||||||||
| 12 | D | D | D | E | B | D | B | D | |||||||||||||
| 13 | D | D | B | D | C | D | A | ||||||||||||||
| 14 | A | A | D | A | D | B | |||||||||||||||
| 15 | B | D | B | D | B | ||||||||||||||||
| 16 | D | C | B | B | |||||||||||||||||
| 17 | C | D | B | ||||||||||||||||||
| 18 | B | D | |||||||||||||||||||
| 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 | D | D | |||||||||||||||||||
| 2 | E | E | E | ||||||||||||||||||
| 3 | M | E | A | D | |||||||||||||||||
| 4 | B | B | D | A | A | ||||||||||||||||
| 5 | A | B | B | M | B | C | |||||||||||||||
| 6 | A | C | A | C | A | C | B | ||||||||||||||
| 7 | B | D | A | A | C | C | A | D | |||||||||||||
| 8 | E | C | C | C | E | E | C | D | B | ||||||||||||
| 9 | A | A | E | D | A | E | D | D | E | D | |||||||||||
| 10 | D | D | D | B | D | C | B | C | E | A | D | ||||||||||
| 11 | C | D | D | A | D | A | C | B | D | B | |||||||||||
| 12 | A | B | B | B | A | D | B | C | C | D | A | ||||||||||
| 13 | D | B | C | A | D | D | B | D | C | D | C | B | |||||||||
| 14 | D | A | D | D | C | D | C | B | C | C | A | C | A | ||||||||
| 15 | D | B | B | B | D | B | B | D | C | B | C | D | C | A | |||||||
| 16 | A | B | A | B | C | B | C | E | D | D | C | E | D | A | B | ||||||
| 17 | D | C | B | B | C | B | D | B | A | C | D | C | D | B | B | B | |||||
| 18 | D | C | C | D | D | D | D | B | D | D | D | C | D | A | C | B | B | ||||
| 19 | A | B | D | E | D | D | D | B | A | B | D | D | D | B | C | C | A | C | |||
| 20 | C | E | D | C | C | B | C | C | E | B | D | C | D | D | D | D | M | C | B |
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 | D | D | |||||||||||||||||||
| 2 | E | E | E | ||||||||||||||||||
| 3 | M | E | A | D | |||||||||||||||||
| 4 | B | B | D | A | A | ||||||||||||||||
| 5 | A | B | B | M | B | C | |||||||||||||||
| 6 | A | C | A | C | A | C | B | ||||||||||||||
| 7 | B | D | A | A | C | C | A | D | |||||||||||||
| 8 | E | C | C | C | E | E | C | D | B | ||||||||||||
| 9 | A | A | E | D | A | E | D | D | E | D | |||||||||||
| 10 | D | D | D | B | D | C | B | C | E | A | D | ||||||||||
| 11 | C | D | D | A | D | A | C | B | D | B | |||||||||||
| 12 | A | B | B | B | A | D | B | C | C | D | A | ||||||||||
| 13 | D | B | C | A | D | D | B | D | C | D | C | B | |||||||||
| 14 | D | A | D | D | C | D | C | B | C | C | A | C | A | ||||||||
| 15 | D | B | B | B | D | B | B | D | C | B | C | D | C | A | |||||||
| 16 | A | B | A | B | C | B | C | E | D | D | C | E | D | A | B | ||||||
| 17 | D | C | B | B | C | B | D | B | A | C | D | C | D | B | B | B | |||||
| 18 | D | C | C | D | D | D | D | B | D | D | D | C | D | A | C | B | B | ||||
| 19 | A | B | D | E | D | D | D | B | A | B | D | D | D | B | C | C | A | C | |||
| 20 | C | E | D | C | C | B | C | C | E | B | D | C | D | D | D | D | M | C | B |
Need practiceMemory
| × | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 1 | E | D | C | A | D | D | C | |||||
| 2 | E | E | E | D | B | E | E | M | ||||
| 3 | M | D | D | A | E | A | M | M | M | D | ||
| 4 | A | M | A | E | A | E | D | E | A | A | ||
| 5 | C | A | C | M | B | E | C | M | C | B | A | E |
| 6 | B | A | C | C | B | D | A | |||||
| 7 | C | D | C | D | D | E | ||||||
| 8 | M | E | D | C | D | |||||||
| 9 | M | M | M | A | ||||||||
| 10 | D | D | E | |||||||||
| 11 | D | A | D | D | E | B | C | D | D | D | B | E |
| 12 | D | C | D | C | C | B | D | D | C | A | B | D |
Need practiceMemory
| ÷ | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 1 | C | A | B | A | A | B | A | B | A | B |
| 2 | D | E | B | E | B | E | E | C | C | B |
| 3 | A | C | A | E | A | A | A | A | A | C |
| 4 | B | A | A | B | A | A | A | A | A | A |
| 5 | E | A | A | B | A | A | A | A | B | A |
| 6 | C | C | B | B | A | A | A | A | B | A |
| 7 | A | D | B | B | A | A | A | B | B | B |
| 8 | C | C | C | C | C | C | C | B | C | C |
| 9 | E | D | C | A | D | A | A | A | A | D |
| 10 | B | B | A | D | A | B | C | A | B | B |