Addition of Positive Integers Set 1 Loading... 1. [QUESTION 1] 12 + 21 = 93331Question 1 of 10 Loading... 2. [QUESTION 2] 15 + 34 = 491944Question 2 of 10 Loading... 3. [QUESTION 3] 19 + 11 = 29730Question 3 of 10 Loading... 4. [QUESTION 4] 18 + 21 = 39403Question 4 of 10 Loading... 5. [QUESTION 5] 8 + 6 = 14132Question 5 of 10 Loading... 6. [QUESTION 6] 27 + 14 = 135141Question 6 of 10 Loading... 7. [QUESTION 7] 16 + 34 = 605040Question 7 of 10 Loading... 8. [QUESTION 8] 31 + 21 = 526242Question 8 of 10 Loading... 9. [QUESTION 9] 13 + 24 = 274737Question 9 of 10 Loading... 10. [QUESTION 10] 13 + 19 = 422232Question 10 of 10 Loading...