Addition
123+321=
444
956-274
682
10x10
100
10/2
5
90x2
180
576+324
900
67-87
-20
20x2
40
50/5
10
50x6
300
563+21
584
1-1
0
5x8
40
100/100
1
90/10
9
21+21
42
1850841
50x40
2000
120/10
12
7567+9784
17351
123456789+987654321
1111111110
17-15
2
20x6
120
1000000/1000000
1
80275-10164
70111