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Tiếng ViệtBox A
Box B
Box C
Box D
Box E
Pamięć
9
7
6
8
9
6
13
19
17
16
24
15
0
0
0
0
0
0
5
11
2
8
3
6
6
7
7
8
8
10
9
6
9
5
15
5
June 2024
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Sun, Jun 30
July
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Thu, Jul 4
Fri, Jul 5
Sat, Jul 6
Sun, Jul 7
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Wed, Jul 10
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Fri, Jul 12
Sat, Jul 13
Sun, Jul 14
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September
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October
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December
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January 2025
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February
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March
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Fri, Mar 28
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Mon, Mar 31
April
Tue, Apr 1
Wed, Apr 2
Thu, Apr 3
Fri, Apr 4
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Sun, Apr 6
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May
Thu, May 1
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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
Pamięć
2
5
3
8
7
4
0
0
0
0
0
0
7
8
9
6
10
5
11
10
14
9
13
8
6
8
10
6
15
10
4
12
8
4
10
7
Box A
Box B
Box C
Box D
Box E
Pamięć
19
25
26
25
38
12
17
24
20
9
30
9
0
0
0
0
0
0
14
22
15
8
31
1
7
12
6
7
15
7
19
33
30
13
47
3
Box A
Box B
Box C
Box D
Box E
Pamięć
4
5
7
1
4
4
14
17
18
17
23
11
9
3
5
8
5
7
7
9
9
8
10
1
Box A
Box B
Box C
Box D
Box E
Pamięć
15
9
11
7
10
9
13
9
11
7
8
13
10
10
8
16
12
3
12
16
23
15
20
14
0
0
0
0
0
0
18
12
25
12
18
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 | |||||||||||||||||||||
| 1 | B | B | C | B | B | A | E | A | E | B | D | A | B | B | D | B | A | E | A | ||
| 2 | C | B | D | E | B | D | M | E | M | D | C | D | D | E | D | B | C | B | |||
| 3 | D | A | D | D | D | A | E | D | A | C | C | A | C | A | D | C | C | ||||
| 4 | B | B | B | E | D | B | M | B | E | B | B | B | B | B | B | D | |||||
| 5 | E | C | C | A | C | M | M | C | C | C | A | A | C | A | C | ||||||
| 6 | D | A | D | A | M | A | A | B | A | B | B | D | A | D | |||||||
| 7 | C | C | C | C | A | D | C | B | C | C | E | D | B | ||||||||
| 8 | E | M | E | C | C | B | C | M | D | E | B | E | |||||||||
| 9 | A | D | A | C | D | E | D | A | C | A | A | ||||||||||
| 10 | E | A | D | C | B | A | C | A | B | E | |||||||||||
| 11 | B | B | B | B | B | B | E | C | B | ||||||||||||
| 12 | A | A | B | C | A | B | D | A | |||||||||||||
| 13 | A | A | E | C | B | C | E | ||||||||||||||
| 14 | C | B | A | E | A | C | |||||||||||||||
| 15 | B | B | C | A | B | ||||||||||||||||
| 16 | A | C | B | D | |||||||||||||||||
| 17 | E | A | A | ||||||||||||||||||
| 18 | B | B | |||||||||||||||||||
| 19 | B | ||||||||||||||||||||
| 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 | B | B | A | E | A | E | B | D | A | B | B | D | B | A | E | A | ||
| 2 | C | B | D | E | B | D | M | E | M | D | C | D | D | E | D | B | C | B | |||
| 3 | D | A | D | D | D | A | E | D | A | C | C | A | C | A | D | C | C | ||||
| 4 | B | B | B | E | D | B | M | B | E | B | B | B | B | B | B | D | |||||
| 5 | E | C | C | A | C | M | M | C | C | C | A | A | C | A | C | ||||||
| 6 | D | A | D | A | M | A | A | B | A | B | B | D | A | D | |||||||
| 7 | C | C | C | C | A | D | C | B | C | C | E | D | B | ||||||||
| 8 | E | M | E | C | C | B | C | M | D | E | B | E | |||||||||
| 9 | A | D | A | C | D | E | D | A | C | A | A | ||||||||||
| 10 | E | A | D | C | B | A | C | A | B | E | |||||||||||
| 11 | B | B | B | B | B | B | E | C | B | ||||||||||||
| 12 | A | A | B | C | A | B | D | A | |||||||||||||
| 13 | A | A | E | C | B | C | E | ||||||||||||||
| 14 | C | B | A | E | A | C | |||||||||||||||
| 15 | B | B | C | A | B | ||||||||||||||||
| 16 | A | C | B | D | |||||||||||||||||
| 17 | E | A | A | ||||||||||||||||||
| 18 | B | B | |||||||||||||||||||
| 19 | B | ||||||||||||||||||||
| 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 | A | C | |||||||||||||||||||
| 2 | M | M | M | ||||||||||||||||||
| 3 | A | A | A | C | |||||||||||||||||
| 4 | E | B | B | B | E | ||||||||||||||||
| 5 | M | B | B | A | C | C | |||||||||||||||
| 6 | D | A | D | A | A | D | A | ||||||||||||||
| 7 | C | B | A | A | C | B | C | C | |||||||||||||
| 8 | B | C | B | C | B | B | C | B | E | ||||||||||||
| 9 | E | A | A | A | C | C | A | A | A | A | |||||||||||
| 10 | C | B | B | E | B | B | B | B | B | A | C | ||||||||||
| 11 | C | A | B | A | E | A | A | A | B | C | |||||||||||
| 12 | A | D | A | B | A | A | C | A | C | B | B | ||||||||||
| 13 | A | C | D | B | D | C | B | E | C | D | A | B | |||||||||
| 14 | D | B | C | A | E | D | E | D | E | A | A | A | A | ||||||||
| 15 | B | A | A | E | E | B | E | B | A | B | B | C | B | E | |||||||
| 16 | B | B | B | E | B | A | C | B | A | D | B | A | A | B | B | ||||||
| 17 | B | C | B | B | E | C | B | A | A | A | C | A | C | B | B | A | |||||
| 18 | C | D | E | B | C | C | B | A | B | C | C | A | C | B | B | E | A | ||||
| 19 | E | B | B | B | D | A | A | B | E | A | B | A | B | B | B | B | C | A | |||
| 20 | C | C | D | C | M | C | B | B | C | C | B | D | B | E | C | B | 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 | A | C | |||||||||||||||||||
| 2 | M | M | M | ||||||||||||||||||
| 3 | A | A | A | C | |||||||||||||||||
| 4 | E | B | B | B | E | ||||||||||||||||
| 5 | M | B | B | A | C | C | |||||||||||||||
| 6 | D | A | D | A | A | D | A | ||||||||||||||
| 7 | C | B | A | A | C | B | C | C | |||||||||||||
| 8 | B | C | B | C | B | B | C | B | E | ||||||||||||
| 9 | E | A | A | A | C | C | A | A | A | A | |||||||||||
| 10 | C | B | B | E | B | B | B | B | B | A | C | ||||||||||
| 11 | C | A | B | A | E | A | A | A | B | C | |||||||||||
| 12 | A | D | A | B | A | A | C | A | C | B | B | ||||||||||
| 13 | A | C | D | B | D | C | B | E | C | D | A | B | |||||||||
| 14 | D | B | C | A | E | D | E | D | E | A | A | A | A | ||||||||
| 15 | B | A | A | E | E | B | E | B | A | B | B | C | B | E | |||||||
| 16 | B | B | B | E | B | A | C | B | A | D | B | A | A | B | B | ||||||
| 17 | B | C | B | B | E | C | B | A | A | A | C | A | C | B | B | A | |||||
| 18 | C | D | E | B | C | C | B | A | B | C | C | A | C | B | B | E | A | ||||
| 19 | E | B | B | B | D | A | A | B | E | A | B | A | B | B | B | B | C | A | |||
| 20 | C | C | D | C | M | C | B | B | C | C | B | D | B | E | C | B | B | C | C |
Need practiceMemory
| × | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 1 | B | E | B | B | B | B | A | C | B | A | A | D |
| 2 | M | C | C | C | C | C | B | E | C | C | B | M |
| 3 | A | A | A | A | A | A | A | D | A | A | A | D |
| 4 | B | B | B | A | A | B | M | D | B | E | E | B |
| 5 | C | B | E | E | A | C | C | A | M | E | C | C |
| 6 | D | A | A | D | D | B | A | D | B | D | C | D |
| 7 | C | D | E | A | A | C | E | D | C | E | E | C |
| 8 | C | C | B | M | D | M | D | B | B | C | D | D |
| 9 | A | D | D | C | C | A | E | M | C | A | A | D |
| 10 | E | A | A | E | E | B | E | D | C | B | A | C |
| 11 | C | D | E | B | B | E | E | B | C | C | B | C |
| 12 | B | E | B | D | E | A | A | E | B | E | A | E |
Need practiceMemory
| ÷ | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 1 | D | A | B | B | A | A | B | A | A | B |
| 2 | M | D | M | C | D | C | B | B | C | D |
| 3 | C | C | D | C | A | A | A | A | A | A |
| 4 | M | D | B | A | A | A | B | A | B | A |
| 5 | C | B | A | A | C | C | B | C | A | A |
| 6 | A | A | A | A | B | B | A | C | A | C |
| 7 | B | B | B | A | A | A | A | A | B | A |
| 8 | C | B | C | D | B | B | B | B | B | C |
| 9 | A | A | A | A | A | A | A | A | A | A |
| 10 | A | B | E | C | C | E | B | B | B | A |