Find the sum or difference for questions 1-3.
1.
20.58 – 13.3
• 6.88
• 7.28
• 33.88
• 7.58
2.
10.88 + 98.3 – 10.88
• 109.18
• 10.88
• 87.42
• 98.3
3.
–31 – 70
• –39
• 39
• –101
• 101
1.
20.58 – 13.3
• 6.88
• 7.28
• 33.88
• 7.58
2.
10.88 + 98.3 – 10.88
• 109.18
• 10.88
• 87.42
• 98.3
3.
–31 – 70
• –39
• 39
• –101
• 101