Addition
100+387
487
100-84
16
20x11
220
20/2
10
13.5+145.5
159
7100-4344
2,756
10x40
400
35/5
7
494+6902+95+744
8,205
8518-2878
5,640
230x769
176,870
780/20
39
848+347+24+9809
11,028
9086-4579
4,507
138x441
60,858
480/20
24
288+2150+65+641
3,144
10389-8320-268
1,801
321x898
288,258
5,320/70
76