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Tiếng ViệtBox A
Box B
Box C
Box D
Box E
זיכרון
7
6
7
8
10
7
7
16
26
22
20
13
0
0
0
0
0
0
3
3
9
6
9
5
3
8
11
6
10
8
4
4
10
16
8
7
May 2024
Wed, May 1
Thu, May 2
Fri, May 3
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Thu, May 9
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Tue, May 14
Wed, May 15
Thu, May 16
Fri, May 17
Sat, May 18
Sun, May 19
Mon, May 20
Tue, May 21
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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
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July
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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
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Fri, Feb 28
March
Sat, Mar 1
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Mon, Mar 3
Tue, Mar 4
Wed, Mar 5
Thu, Mar 6
Fri, Mar 7
Sat, Mar 8
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Mon, Mar 10
Tue, Mar 11
Wed, Mar 12
Thu, Mar 13
Fri, Mar 14
Sat, Mar 15
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Mon, Mar 17
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April
Tue, Apr 1
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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
3
7
4
6
6
3
0
0
0
0
0
0
4
4
7
14
9
7
0
0
0
0
0
0
4
8
15
10
10
8
5
3
13
7
10
7
Box A
Box B
Box C
Box D
Box E
זיכרון
15
18
39
41
18
14
9
16
30
30
17
7
9
20
44
41
19
12
0
13
38
32
8
0
0
6
16
23
6
3
0
15
60
55
13
2
Box A
Box B
Box C
Box D
Box E
זיכרון
0
0
0
0
0
0
0
0
0
0
0
0
10
5
7
6
3
6
3
6
13
14
4
4
Box A
Box B
Box C
Box D
Box E
זיכרון
7
9
8
14
16
7
8
8
8
10
17
10
4
11
11
20
10
3
13
13
22
24
15
13
15
13
14
19
19
10
15
13
22
19
21
10
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 | C | C | C | B | C | D | D | D | D | C | C | B | C | B | B | B | B | B | B | ||
| 2 | D | C | D | D | C | D | D | E | E | D | D | E | E | C | C | C | C | C | |||
| 3 | E | D | D | E | D | M | E | D | E | A | D | E | A | M | E | E | D | ||||
| 4 | B | A | E | M | A | M | A | A | A | A | A | A | A | M | A | B | |||||
| 5 | A | A | A | B | B | A | A | A | A | A | A | A | A | A | A | ||||||
| 6 | B | B | B | A | B | C | B | B | B | A | B | B | A | B | |||||||
| 7 | E | C | D | B | B | C | C | B | C | C | B | D | C | ||||||||
| 8 | D | D | C | D | D | D | E | C | D | D | C | D | |||||||||
| 9 | M | E | E | E | A | D | E | D | E | D | A | ||||||||||
| 10 | C | C | C | C | B | C | B | C | B | B | |||||||||||
| 11 | C | C | C | B | C | B | C | B | D | ||||||||||||
| 12 | C | B | C | C | C | D | B | C | |||||||||||||
| 13 | C | B | C | C | C | B | C | ||||||||||||||
| 14 | B | C | D | B | B | C | |||||||||||||||
| 15 | B | C | B | C | C | ||||||||||||||||
| 16 | D | C | B | C | |||||||||||||||||
| 17 | C | C | C | ||||||||||||||||||
| 18 | D | D | |||||||||||||||||||
| 19 | C | ||||||||||||||||||||
| 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 | C | C | C | B | C | D | D | D | D | C | C | B | C | B | B | B | B | B | B | ||
| 2 | D | C | D | D | C | D | D | E | E | D | D | E | E | C | C | C | C | C | |||
| 3 | E | D | D | E | D | M | E | D | E | A | D | E | A | M | E | E | D | ||||
| 4 | B | A | E | M | A | M | A | A | A | A | A | A | A | M | A | B | |||||
| 5 | A | A | A | B | B | A | A | A | A | A | A | A | A | A | A | ||||||
| 6 | B | B | B | A | B | C | B | B | B | A | B | B | A | B | |||||||
| 7 | E | C | D | B | B | C | C | B | C | C | B | D | C | ||||||||
| 8 | D | D | C | D | D | D | E | C | D | D | C | D | |||||||||
| 9 | M | E | E | E | A | D | E | D | E | D | A | ||||||||||
| 10 | C | C | C | C | B | C | B | C | B | B | |||||||||||
| 11 | C | C | C | B | C | B | C | B | D | ||||||||||||
| 12 | C | B | C | C | C | D | B | C | |||||||||||||
| 13 | C | B | C | C | C | B | C | ||||||||||||||
| 14 | B | C | D | B | B | C | |||||||||||||||
| 15 | B | C | B | C | C | ||||||||||||||||
| 16 | D | C | B | C | |||||||||||||||||
| 17 | C | C | C | ||||||||||||||||||
| 18 | D | D | |||||||||||||||||||
| 19 | C | ||||||||||||||||||||
| 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 | ||||||||||||||||||||
| 2 | E | D | |||||||||||||||||||
| 3 | D | D | A | ||||||||||||||||||
| 4 | E | A | B | M | |||||||||||||||||
| 5 | B | A | B | A | B | ||||||||||||||||
| 6 | B | A | C | A | B | B | |||||||||||||||
| 7 | C | C | C | C | C | C | C | ||||||||||||||
| 8 | C | D | D | E | D | C | C | E | |||||||||||||
| 9 | M | E | M | A | E | E | D | M | E | ||||||||||||
| 10 | B | C | C | C | C | D | C | D | C | B | |||||||||||
| 11 | C | C | B | C | B | C | C | C | C | B | |||||||||||
| 12 | D | C | D | C | B | C | C | D | C | B | C | ||||||||||
| 13 | D | C | C | B | C | D | C | D | C | B | B | C | |||||||||
| 14 | C | C | C | B | B | C | C | C | D | B | C | B | C | ||||||||
| 15 | C | C | C | C | C | C | C | B | B | D | C | D | C | E | |||||||
| 16 | C | D | C | D | B | D | B | B | C | C | C | B | C | C | C | ||||||
| 17 | C | C | D | B | B | C | C | D | B | D | B | C | C | C | C | C | |||||
| 18 | C | B | B | C | C | C | B | D | C | D | C | B | C | B | B | C | B | ||||
| 19 | B | D | C | C | C | C | D | D | C | C | C | C | B | B | D | C | D | C | |||
| 20 | C | C | D | D | D | D | C | D | D | C | C | E | C | D | E | D | D | D | 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 | ||||||||||||||||||||
| 2 | E | D | |||||||||||||||||||
| 3 | D | D | A | ||||||||||||||||||
| 4 | E | A | B | M | |||||||||||||||||
| 5 | B | A | B | A | B | ||||||||||||||||
| 6 | B | A | C | A | B | B | |||||||||||||||
| 7 | C | C | C | C | C | C | C | ||||||||||||||
| 8 | C | D | D | E | D | C | C | E | |||||||||||||
| 9 | M | E | M | A | E | E | D | M | E | ||||||||||||
| 10 | B | C | C | C | C | D | C | D | C | B | |||||||||||
| 11 | C | C | B | C | B | C | C | C | C | B | |||||||||||
| 12 | D | C | D | C | B | C | C | D | C | B | C | ||||||||||
| 13 | D | C | C | B | C | D | C | D | C | B | B | C | |||||||||
| 14 | C | C | C | B | B | C | C | C | D | B | C | B | C | ||||||||
| 15 | C | C | C | C | C | C | C | B | B | D | C | D | C | E | |||||||
| 16 | C | D | C | D | B | D | B | B | C | C | C | B | C | C | C | ||||||
| 17 | C | C | D | B | B | C | C | D | B | D | B | C | C | C | C | C | |||||
| 18 | C | B | B | C | C | C | B | D | C | D | C | B | C | B | B | C | B | ||||
| 19 | B | D | C | C | C | C | D | D | C | C | C | C | B | B | D | C | D | C | |||
| 20 | C | C | D | D | D | D | C | D | D | C | C | E | C | D | E | D | D | D | D |
Need practiceMemory
| × | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 1 | D | C | ||||||||||
| 2 | D | C | E | D | D | E | D | |||||
| 3 | M | A | M | D | M | D | A | M | ||||
| 4 | A | A | A | M | M | M | M | |||||
| 5 | B | B | A | A | B | A | A | A | ||||
| 6 | B | A | B | A | C | B | C | |||||
| 7 | C | C | E | C | B | C | ||||||
| 8 | C | D | E | C | D | |||||||
| 9 | M | A | E | M | ||||||||
| 10 | C | C | C | |||||||||
| 11 | D | D | D | E | D | B | B | D | D | C | D | B |
| 12 | C | C | B | D | C | D | C | C | D | C | D | E |
Need practiceMemory
| ÷ | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 1 | D | C | B | C | B | C | C | B | C | B |
| 2 | E | C | C | C | E | D | C | D | C | D |
| 3 | D | D | D | A | A | D | A | E | E | A |
| 4 | A | A | A | A | A | A | A | A | A | A |
| 5 | A | A | A | A | A | A | A | A | A | A |
| 6 | B | B | B | A | A | A | A | A | A | B |
| 7 | C | C | C | C | B | C | B | B | B | C |
| 8 | C | D | C | C | C | C | D | D | C | C |
| 9 | E | A | D | D | D | D | D | A | D | A |
| 10 | C | D | C | B | B | C | B | B | C | B |