Subtraction from 20 and 19 Flashcards

1
Q

20 - 17

A

3

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2
Q

20 - 18

A

2

How well did you know this?
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Perfectly
3
Q

20 - 15

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

20 - 14

A

6

How well did you know this?
1
Not at all
2
3
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Perfectly
5
Q

20 - 13

A

7

How well did you know this?
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Not at all
2
3
4
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Perfectly
6
Q

20 - 19

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

20 - 11

A

9

How well did you know this?
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Not at all
2
3
4
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Perfectly
8
Q

20 - 10

A

10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

20 - 16

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

20 - 8

A

12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

20 - 7

A

13

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

20 - 6

A

14

How well did you know this?
1
Not at all
2
3
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5
Perfectly
13
Q

20 - 12

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

20 - 5

A

15

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

20 - 3

A

17

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

20 - 2

17
Q

19 - 17

18
Q

19 - 16

19
Q

19 - 15

20
Q

20 - 9

21
Q

19 - 14

22
Q

20 - 4

22
Q

20 - 1

23
Q

19 - 13

24
Q

19 - 12

25
Q

19 - 11

26
Q

19 - 10

27
Q

19 - 7

28
Q

19 - 9

29
Q

19 - 8