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Tiếng ViệtBox A
Box B
Box C
Box D
Box E
memória
11
4
4
11
8
7
0
0
0
0
0
0
2
2
3
7
3
7
5
7
5
5
7
6
0
0
0
0
0
0
4
6
7
12
9
11
June 2024
Sat, Jun 1
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Mon, Jun 3
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Thu, Jun 6
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Sun, Jun 30
July
Mon, Jul 1
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Thu, Jul 4
Fri, Jul 5
Sat, Jul 6
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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
Sat, Feb 1
Sun, Feb 2
Mon, Feb 3
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March
Sat, Mar 1
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Mon, Mar 3
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Thu, Mar 6
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April
Tue, Apr 1
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Thu, Apr 3
Fri, Apr 4
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Sun, Apr 6
Mon, Apr 7
Tue, Apr 8
Wed, Apr 9
Thu, Apr 10
Fri, Apr 11
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Sun, Apr 13
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Tue, Apr 15
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Thu, Apr 17
Fri, Apr 18
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Mon, Apr 21
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Thu, Apr 24
Fri, Apr 25
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Mon, Apr 28
Tue, Apr 29
Wed, Apr 30
May
Thu, May 1
Fri, May 2
Sat, May 3
Sun, May 4
Mon, May 5
Tue, May 6
Wed, May 7
Thu, May 8
Fri, May 9
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Mon, May 26
Tue, May 27
Wed, May 28
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Fri, May 30
Sat, May 31
Box A
Box B
Box C
Box D
Box E
memória
4
5
4
9
3
4
13
8
19
12
8
5
5
9
9
8
9
5
12
9
10
16
12
6
7
9
5
10
16
8
0
0
0
0
0
0
Box A
Box B
Box C
Box D
Box E
memória
21
22
24
44
21
13
0
0
0
0
0
0
19
20
24
41
21
20
6
16
15
39
15
0
3
6
7
23
12
3
10
25
23
54
28
5
Box A
Box B
Box C
Box D
Box E
memória
4
5
3
3
7
3
0
0
0
0
0
0
13
1
7
4
5
7
3
5
9
13
12
2
Box A
Box B
Box C
Box D
Box E
memória
10
4
11
9
13
14
11
6
8
14
11
11
4
8
10
15
13
9
13
18
15
21
13
20
10
11
13
23
14
19
13
11
9
25
27
15
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 | B | C | C | C | C | C | B | C | C | |||||||||||
| 1 | D | A | C | D | D | A | B | A | C | B | D | C | B | A | B | A | D | A | D | D | |
| 2 | E | D | E | B | C | C | E | D | C | B | C | D | B | C | E | E | E | E | D | ||
| 3 | D | A | D | A | A | A | C | A | D | A | M | A | A | D | D | E | E | A | |||
| 4 | A | A | A | A | B | A | B | A | B | A | B | A | A | A | A | B | D | ||||
| 5 | C | A | A | A | B | B | M | B | C | B | B | B | A | B | B | A | |||||
| 6 | C | C | C | B | A | C | C | C | C | C | B | A | B | A | A | ||||||
| 7 | E | B | B | B | B | A | D | C | A | A | A | C | B | D | |||||||
| 8 | D | D | C | C | C | D | E | M | C | M | B | E | C | ||||||||
| 9 | C | A | D | D | A | C | A | A | A | E | A | C | |||||||||
| 10 | D | B | A | B | D | D | D | C | D | C | D | ||||||||||
| 11 | C | C | C | C | A | B | A | B | C | ||||||||||||
| 12 | B | B | D | C | B | B | D | C | |||||||||||||
| 13 | A | B | C | B | B | C | B | ||||||||||||||
| 14 | B | C | A | B | D | D | |||||||||||||||
| 15 | C | B | D | C | D | ||||||||||||||||
| 16 | A | C | A | A | |||||||||||||||||
| 17 | B | C | D | ||||||||||||||||||
| 18 | C | D | |||||||||||||||||||
| 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 | C | B | C | C | C | C | C | B | C | C | |||||||||||
| 1 | D | A | C | D | D | A | B | A | C | B | D | C | B | A | B | A | D | A | D | D | |
| 2 | E | D | E | B | C | C | E | D | C | B | C | D | B | C | E | E | E | E | D | ||
| 3 | D | A | D | A | A | A | C | A | D | A | M | A | A | D | D | E | E | A | |||
| 4 | A | A | A | A | B | A | B | A | B | A | B | A | A | A | A | B | D | ||||
| 5 | C | A | A | A | B | B | M | B | C | B | B | B | A | B | B | A | |||||
| 6 | C | C | C | B | A | C | C | C | C | C | B | A | B | A | A | ||||||
| 7 | E | B | B | B | B | A | D | C | A | A | A | C | B | D | |||||||
| 8 | D | D | C | C | C | D | E | M | C | M | B | E | C | ||||||||
| 9 | C | A | D | D | A | C | A | A | A | E | A | C | |||||||||
| 10 | D | B | A | B | D | D | D | C | D | C | D | ||||||||||
| 11 | C | C | C | C | A | B | A | B | C | ||||||||||||
| 12 | B | B | D | C | B | B | D | C | |||||||||||||
| 13 | A | B | C | B | B | C | B | ||||||||||||||
| 14 | B | C | A | B | D | D | |||||||||||||||
| 15 | C | B | D | C | D | ||||||||||||||||
| 16 | A | C | A | A | |||||||||||||||||
| 17 | B | C | D | ||||||||||||||||||
| 18 | C | D | |||||||||||||||||||
| 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 | C | E | |||||||||||||||||||
| 2 | E | B | B | ||||||||||||||||||
| 3 | M | E | A | D | |||||||||||||||||
| 4 | E | A | E | A | A | ||||||||||||||||
| 5 | B | A | B | A | B | B | |||||||||||||||
| 6 | A | B | D | C | B | B | A | ||||||||||||||
| 7 | D | B | D | D | B | B | B | B | |||||||||||||
| 8 | E | C | E | E | D | E | D | E | D | ||||||||||||
| 9 | D | A | A | A | M | D | C | A | D | A | |||||||||||
| 10 | A | B | C | D | A | A | B | C | A | C | D | ||||||||||
| 11 | C | B | D | B | C | A | D | A | B | B | |||||||||||
| 12 | D | C | B | C | D | B | C | D | A | C | C | ||||||||||
| 13 | D | B | D | D | A | D | D | A | C | B | B | A | |||||||||
| 14 | D | C | D | D | B | B | D | B | C | C | C | B | B | ||||||||
| 15 | D | B | C | D | D | B | B | D | C | D | D | C | A | C | |||||||
| 16 | C | C | B | A | B | B | B | B | D | D | A | B | E | C | D | ||||||
| 17 | A | A | A | A | D | D | D | D | D | D | D | B | D | B | A | B | |||||
| 18 | D | B | A | D | B | D | C | C | B | C | C | D | A | C | B | C | D | ||||
| 19 | B | A | A | D | A | B | C | B | C | B | D | D | C | D | B | B | C | C | |||
| 20 | E | E | M | E | D | D | C | E | B | B | B | C | D | E | D | D | C | D | 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 | C | E | |||||||||||||||||||
| 2 | E | B | B | ||||||||||||||||||
| 3 | M | E | A | D | |||||||||||||||||
| 4 | E | A | E | A | A | ||||||||||||||||
| 5 | B | A | B | A | B | B | |||||||||||||||
| 6 | A | B | D | C | B | B | A | ||||||||||||||
| 7 | D | B | D | D | B | B | B | B | |||||||||||||
| 8 | E | C | E | E | D | E | D | E | D | ||||||||||||
| 9 | D | A | A | A | M | D | C | A | D | A | |||||||||||
| 10 | A | B | C | D | A | A | B | C | A | C | D | ||||||||||
| 11 | C | B | D | B | C | A | D | A | B | B | |||||||||||
| 12 | D | C | B | C | D | B | C | D | A | C | C | ||||||||||
| 13 | D | B | D | D | A | D | D | A | C | B | B | A | |||||||||
| 14 | D | C | D | D | B | B | D | B | C | C | C | B | B | ||||||||
| 15 | D | B | C | D | D | B | B | D | C | D | D | C | A | C | |||||||
| 16 | C | C | B | A | B | B | B | B | D | D | A | B | E | C | D | ||||||
| 17 | A | A | A | A | D | D | D | D | D | D | D | B | D | B | A | B | |||||
| 18 | D | B | A | D | B | D | C | C | B | C | C | D | A | C | B | C | D | ||||
| 19 | B | A | A | D | A | B | C | B | C | B | D | D | C | D | B | B | C | C | |||
| 20 | E | E | M | E | D | D | C | E | B | B | B | C | D | E | D | D | C | D | B |
Need practiceMemory
| × | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 1 | E | E | E | B | D | D | D | |||||
| 2 | E | C | E | E | B | C | C | E | ||||
| 3 | M | E | A | D | A | A | M | M | C | E | ||
| 4 | M | M | A | A | A | E | A | A | A | A | ||
| 5 | B | C | B | B | A | A | C | E | B | M | E | E |
| 6 | C | C | M | A | A | C | A | |||||
| 7 | A | C | D | D | E | D | ||||||
| 8 | E | D | E | E | M | |||||||
| 9 | M | A | E | M | ||||||||
| 10 | C | D | D | |||||||||
| 11 | B | D | D | E | C | D | E | E | D | C | C | D |
| 12 | B | E | C | D | B | B | B | C | D | C | D | E |
Need practiceMemory
| ÷ | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 1 | D | A | A | B | D | C | A | B | A | B |
| 2 | C | E | B | D | E | C | B | B | D | E |
| 3 | M | A | M | A | E | A | A | A | D | A |
| 4 | A | A | A | D | A | D | A | A | A | A |
| 5 | B | B | B | A | A | A | A | A | A | A |
| 6 | A | A | B | A | B | A | A | A | B | A |
| 7 | A | B | B | A | C | A | B | C | B | C |
| 8 | D | B | C | D | D | B | C | D | B | B |
| 9 | A | A | D | C | A | D | A | A | D | C |
| 10 | D | B | A | A | A | C | B | C | C | B |