Solve the following arithmetic problems. Fill in the missing numbers in the boxes where applicable.

Решение:

• 50
• 70
• 61
• 21
• 46
• 89
• 2
• 9
• 56
• 56
• 18+13=70
• 82+17-88=11
• 44+ +14=77
• 54- +26=52
• 32+64-=11
• -79+37=42
• 56+12-=24
• 95--63=13
• 60-37+=68
• 13++=59