Addition with 9 & 10 Flashcards by George McDonough | Brainscape

Q

9

+ 9

A

18

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Q

10

+ 9

A

19

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2

3

4

5

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Q

9

+ 10

A

19

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1

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2

3

4

5

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Q

10

+ 10

A

20

How well did you know this?

1

Not at all

2

3

4

5

Perfectly