Addition w/ NO Regrouping
25+14
39
27+58
85
50-20
30
64-37
27
6x3
18
32+16
38
46+37
83
72-31
41
82-48
34
7x4
28
41+22
63
78+29
107
90-15
75
93-56
37
8x2
16
53+26
79
99+45
144
81-40
41
71-29
42
9x5
45
64+15
79
89+57
146
66-22
44
80-43
37
7x8
56