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Tiếng ViệtBox A
Box B
Box C
Box D
Box E
זיכרון
9
7
6
8
9
6
14
21
18
8
30
13
0
0
0
0
0
0
9
3
7
8
6
2
10
6
4
6
11
9
10
10
4
8
9
8
May 2024
Wed, May 1
Thu, May 2
Fri, May 3
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Fri, May 24
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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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Thu, Jun 13
Fri, Jun 14
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July
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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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Fri, Mar 7
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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
זיכרון
5
3
8
4
5
4
0
0
0
0
0
0
3
9
9
9
8
7
11
8
12
12
15
7
10
7
9
8
10
11
7
7
8
5
13
5
Box A
Box B
Box C
Box D
Box E
זיכרון
24
26
26
20
37
12
16
19
19
8
42
5
0
0
0
0
0
0
14
22
15
8
31
1
5
11
13
4
14
7
22
32
27
13
45
6
Box A
Box B
Box C
Box D
Box E
זיכרון
5
5
3
4
5
3
13
19
23
15
15
15
6
8
7
4
8
4
7
7
11
5
12
2
Box A
Box B
Box C
Box D
Box E
זיכרון
10
9
11
8
9
14
10
4
10
9
12
16
10
13
8
10
12
6
18
14
18
18
19
13
0
0
0
0
0
0
19
17
19
15
17
13
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 | E | B | C | E | B | B | C | B | C | B | A | B | A | A | A | A | B | A | E | ||
| 2 | M | C | C | D | C | C | D | B | M | C | D | D | C | C | B | B | B | B | |||
| 3 | A | E | C | C | A | C | D | C | A | A | C | D | A | C | A | D | D | ||||
| 4 | B | E | D | A | A | E | E | B | B | E | B | E | B | B | E | A | |||||
| 5 | A | C | B | C | C | C | A | E | M | E | C | C | E | A | C | ||||||
| 6 | D | C | D | A | M | D | D | C | D | A | B | A | B | A | |||||||
| 7 | B | E | B | C | D | E | E | D | E | E | D | B | B | ||||||||
| 8 | D | D | D | C | C | D | M | M | B | C | M | E | |||||||||
| 9 | M | A | C | E | A | A | A | D | E | E | C | ||||||||||
| 10 | A | A | D | A | C | B | C | A | B | B | |||||||||||
| 11 | B | C | B | A | A | B | B | B | B | ||||||||||||
| 12 | B | B | A | C | B | A | E | A | |||||||||||||
| 13 | C | E | B | D | E | B | D | ||||||||||||||
| 14 | D | E | A | B | A | E | |||||||||||||||
| 15 | E | C | C | D | C | ||||||||||||||||
| 16 | A | E | B | B | |||||||||||||||||
| 17 | C | A | A | ||||||||||||||||||
| 18 | B | E | |||||||||||||||||||
| 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 | E | B | C | E | B | B | C | B | C | B | A | B | A | A | A | A | B | A | E | ||
| 2 | M | C | C | D | C | C | D | B | M | C | D | D | C | C | B | B | B | B | |||
| 3 | A | E | C | C | A | C | D | C | A | A | C | D | A | C | A | D | D | ||||
| 4 | B | E | D | A | A | E | E | B | B | E | B | E | B | B | E | A | |||||
| 5 | A | C | B | C | C | C | A | E | M | E | C | C | E | A | C | ||||||
| 6 | D | C | D | A | M | D | D | C | D | A | B | A | B | A | |||||||
| 7 | B | E | B | C | D | E | E | D | E | E | D | B | B | ||||||||
| 8 | D | D | D | C | C | D | M | M | B | C | M | E | |||||||||
| 9 | M | A | C | E | A | A | A | D | E | E | C | ||||||||||
| 10 | A | A | D | A | C | B | C | A | B | B | |||||||||||
| 11 | B | C | B | A | A | B | B | B | B | ||||||||||||
| 12 | B | B | A | C | B | A | E | A | |||||||||||||
| 13 | C | E | B | D | E | B | D | ||||||||||||||
| 14 | D | E | A | B | A | E | |||||||||||||||
| 15 | E | C | C | D | C | ||||||||||||||||
| 16 | A | E | B | B | |||||||||||||||||
| 17 | C | A | A | ||||||||||||||||||
| 18 | B | E | |||||||||||||||||||
| 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 | B | E | |||||||||||||||||||
| 2 | D | B | C | ||||||||||||||||||
| 3 | D | A | A | A | |||||||||||||||||
| 4 | B | E | A | B | D | ||||||||||||||||
| 5 | M | C | A | B | A | E | |||||||||||||||
| 6 | D | A | A | A | A | A | B | ||||||||||||||
| 7 | A | B | C | A | B | A | B | C | |||||||||||||
| 8 | M | C | D | E | M | B | B | C | C | ||||||||||||
| 9 | M | D | A | A | C | A | D | C | C | A | |||||||||||
| 10 | C | B | B | A | D | A | E | B | A | A | D | ||||||||||
| 11 | A | C | B | B | A | B | C | E | B | A | |||||||||||
| 12 | B | B | B | A | A | B | B | B | A | B | A | ||||||||||
| 13 | A | C | B | C | B | A | D | C | B | B | B | A | |||||||||
| 14 | C | A | C | B | A | B | A | A | C | A | B | B | C | ||||||||
| 15 | A | B | A | B | C | B | E | C | C | D | A | B | B | B | |||||||
| 16 | D | C | A | E | E | E | A | C | B | A | B | C | B | E | C | ||||||
| 17 | E | A | B | B | A | B | B | A | E | E | B | B | C | B | B | E | |||||
| 18 | B | E | A | C | A | C | E | A | C | B | A | A | A | A | E | E | D | ||||
| 19 | A | B | A | A | A | B | A | D | A | B | A | E | B | C | C | C | A | E | |||
| 20 | C | E | C | C | B | E | B | E | M | B | C | D | C | C | C | M | B | C | M |
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 | B | E | |||||||||||||||||||
| 2 | D | B | C | ||||||||||||||||||
| 3 | D | A | A | A | |||||||||||||||||
| 4 | B | E | A | B | D | ||||||||||||||||
| 5 | M | C | A | B | A | E | |||||||||||||||
| 6 | D | A | A | A | A | A | B | ||||||||||||||
| 7 | A | B | C | A | B | A | B | C | |||||||||||||
| 8 | M | C | D | E | M | B | B | C | C | ||||||||||||
| 9 | M | D | A | A | C | A | D | C | C | A | |||||||||||
| 10 | C | B | B | A | D | A | E | B | A | A | D | ||||||||||
| 11 | A | C | B | B | A | B | C | E | B | A | |||||||||||
| 12 | B | B | B | A | A | B | B | B | A | B | A | ||||||||||
| 13 | A | C | B | C | B | A | D | C | B | B | B | A | |||||||||
| 14 | C | A | C | B | A | B | A | A | C | A | B | B | C | ||||||||
| 15 | A | B | A | B | C | B | E | C | C | D | A | B | B | B | |||||||
| 16 | D | C | A | E | E | E | A | C | B | A | B | C | B | E | C | ||||||
| 17 | E | A | B | B | A | B | B | A | E | E | B | B | C | B | B | E | |||||
| 18 | B | E | A | C | A | C | E | A | C | B | A | A | A | A | E | E | D | ||||
| 19 | A | B | A | A | A | B | A | D | A | B | A | E | B | C | C | C | A | E | |||
| 20 | C | E | C | C | B | E | B | E | M | B | C | D | C | C | C | M | B | C | M |
Need practiceMemory
| × | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 1 | B | B | D | B | E | E | E | B | E | E | C | E |
| 2 | B | B | E | C | B | M | B | B | M | B | B | C |
| 3 | A | A | A | C | A | C | C | D | A | D | A | M |
| 4 | D | B | D | B | B | A | B | A | M | B | M | D |
| 5 | C | C | B | C | A | C | A | E | C | C | C | C |
| 6 | B | D | D | M | A | A | D | A | A | A | D | A |
| 7 | D | C | B | E | A | B | B | C | C | C | D | A |
| 8 | M | D | B | M | M | C | C | C | C | C | C | E |
| 9 | C | E | C | D | E | A | C | D | C | A | D | A |
| 10 | A | C | A | E | B | D | E | A | C | B | A | A |
| 11 | C | E | E | C | E | B | B | B | E | E | C | C |
| 12 | A | E | B | E | C | E | D | E | C | B | B | E |
Need practiceMemory
| ÷ | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 1 | B | A | B | B | A | B | B | B | C | A |
| 2 | B | B | B | C | C | B | C | C | B | B |
| 3 | D | D | A | A | A | A | A | A | A | A |
| 4 | B | A | A | B | B | A | E | E | B | B |
| 5 | B | C | A | A | A | A | E | C | A | A |
| 6 | A | A | B | A | A | A | A | A | A | D |
| 7 | B | A | A | A | A | B | B | A | C | A |
| 8 | B | D | C | B | B | B | B | B | C | B |
| 9 | A | A | C | C | C | A | A | A | A | A |
| 10 | D | C | B | B | C | D | B | B | A | B |