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- 16
- How much is 1 + 1?
- 1
- 2
- 3
- 4
- 5
- r1
- B
- How much is 2 + 2?
- 1
- 2
- 3
- 4
- 5
- r2
- D
- How much is 3 + 3?
- 2
- 3
- 4
- 5
- 6
- r3
- E
- How much is 4 + 4?
- 5
- 6
- 7
- 8
- 9
- r4
- D
- How much is 5 + 5?
- 9
- 10
- 11
- 12
- 13
- r5
- B
- How much is 6 + 6?
- 12
- 13
- 14
- 15
- 16
- r6
- A
- How much is 7 + 7?
- 13
- 14
- 15
- 16
- 17
- r7
- B
- How much is 8 + 8?
- 14
- 15
- 16
- 17
- 18
- r8
- C
- How much is 9 + 9?
- 15
- 16
- 17
- 18
- 19
- r9
- D
- How much is 10 + 10?
- 16
- 17
- 18
- 19
- 20
- r10
- E
- How much is 11 + 11?
- 22
- 23
- 24
- 25
- 26
- r11
- A
- How much is 12 + 12?
- 23
- 24
- 25
- 26
- 27
- r12
- B
- How much is 13 + 13?
- 25
- 26
- 27
- 28
- 29
- r13
- B
- How much is 14 + 14?
- 26
- 27
- 28
- 29
- 30
- ref 14
- C
- How much is 15 + 15?
- 30
- 31
- 32
- 33
- 34
- ref 15
- A
- How much is 16 + 16?
- 30
- 31
- 32
- 33
- 34
- ref 16
- C
-