Fast Facts
2+3=
5
15+24=
39
54-31=
23
321+452=
773
754-321=
433
4+4=
8
24+24=
48
88-34=
54
555+432=
987
689-245=
444
7-5=
2
84+13=
97
99-34=
754+226=
980
742-389=
353
8+4=
12
52+29=
43-27=
16
437+214=
651
653-278=
375
11-9=
2
87+51=
138
62-44=
18
523+437=
960
581-246=
335