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Addition with 3 numbers

English 17 Public

Sum under 20

Study Slideshow

1+3+2

6

15

2+3+1

6

15

3+4+1

8

15

1+2+3

6

15

2+2+2

6

15

5+5+3

13

15

1+6+2

9

15

3+4+2

9

15

2+1+5

8

15

8+1+12

21

15

5+5+5

15

15

13+4+4

21

15

5+3+7

15

15

2+4+9

15

15

6+4+10

20

15

9+5+3

17

15

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