Les doubles, +1/-1 Flashcards

1
Q

2+2

A

4

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2
Q

3+3

A

6

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3
Q

4+4

A

8

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4
Q

5+5

A

10

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5
Q

6+6

A

12

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6
Q

7+7

A

14

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7
Q

8+8

A

16

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8
Q

9+9

A

18

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9
Q

10+10

A

20

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10
Q

2+2-1

A

3

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11
Q

3+3-1

A

5

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12
Q

4+4-1

A

7

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13
Q

5+5-1

A

9

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14
Q

6+6-1

A

11

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15
Q

7+7-1

A

13

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16
Q

8+8-1

17
Q

9+9-1

18
Q

10+10-1

19
Q

1+1+1

20
Q

2+2+1

21
Q

3+3+1

22
Q

4+4+1

23
Q

5+5+1

24
Q

6+6+1

25
Q

7+7+1

26
Q

8+8+1

27
Q

9+9+1