What is 156+275
431
1245-354
891
9x9
81
48 divided by 12
4
9x7=(10x7)-(1x7)=
63
3657+2313
5970
5970-4532=
1438
16x2
32
144 divided by 12
12
(2x3)+(2x3)=4x3=
3590+4732
8322
2546-1734
812