I need some help with this problem

Answer:
1. No
2.Yes
3.Yes
4.Yes
5.No
Step-by-step explanation:
Plug in the numbers
1. 3+3 = 9+9 / 6 = 18 / NO
2. 20-0 = 20+0 / 20 = 20 / Yes
3. 3+0/3-0 / 3/3 = 1 / Yes
4. 4+3 = 16-9 / 7 = 7 / Yes
5. 0+1 = 1-0/0 / 1 = 1/0 / No
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