Basic Addition
1+2
3
25+75
100
15-8
7
82-79
3
5+5
10
48+55
103
20-13
7
100-36
64
4+5
9
99+46
145
10-6
4
145-28
117
7+8
15
1500+2500
4000
54-9
45
300-142
158
11+11
22
3478+245
3723
42-7
36
1000-347
653
10+13
23
2689+4500
7189
103-98
5
1250-500
750