Addition
35+20
55
6-4
2
5x1
5
0/5
0
350+456
806
260+40
300
109-98
11
5x4
20
16/4
4
890+208
1,098
450+346
796
607-478
129
7x4
28
60/12
5
507-391
106
1,437+2,789
4,226
1,789-920
869
12x9
5,600/70
80
12x11
132
186,967+673,198
860,165
108,-687-95,799
12,888
108x18
1,944
2,027,760/1,904
1,065
537,336,789,408/708,012
809,784