Subtraction
569-368
201
322+63
385
9x5
45
240/6
40
478-189
289
412+45
457
8x8
64
480/3
160
897-487
410
789+245
1,034
12x11
132
128/4
32
8,769-623
8,146
2,145+4,689
6,834
12x20
240
936/3
312
9,208-5,987
3,221
9,623+6,487
16,110
15x25
375
6024/6
1,004