10 questions
What is the sum of 1+2=
4
7
4
3
What is the sum of 2-2=
1
10
0
2
What is the sum of 2+1+3=
5
7
9
6
What is the sum of 10+10=
30
20
10
0
What is the sum of 50-50=
2
100
0
50
What is the sum of 15-6=
9
23
567
0
What is the sum of 80+15=
257
78
8
95
What is the sum of 1-1=
123
675
0
10
What is the sum of 12+5=
17
234
675
16
What is the sum of 1-1+6-2=
234
4897
4
None of these