esay
what is 1+1
2
40+40
80
2345+34
2379
62223+63
62286
what is 2+2
4
80+80
160
8523+652
9175
855+6
861
what is 4+4
8
60-99
-39
92562+853
93415
69+69
138
what is 10+10
20
10000000000-500000000000
-4900000000000
679707+7976
687683
55056+35
55091
20+20
40
566652-85622
481030
953+2356
3309
20+96
116