1. EASY

31 \(+\) 7 \(=\)
 
2. EASY

10 \(+\) 12 \(=\)
 
3. EASY

72 \(+\) 3 \(=\)
 
4. MEDIUM

62 \(+\) 24 \(=\)
 
5. MEDIUM

47 \(+\) 12 \(=\)
 
6. MEDIUM

14 \(+\) 84 \(=\)
 
7. MEDIUM

36 \(+\) 44 \(=\)
 
8. HARD

99 \(+\) 22 \(=\)
 
9. HARD

14 \(+\) 87 \(=\)
 
10. HARD

47 \(+\) 39 \(=\)


Resources:


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