Subtraction
65-32=
33
30+35=
65
3+___= 20
17
76-9=
67
5+5+10
20
51-30=
21
58+21=
79
20+___=26
6
66-28 =
38
20+10+7
37
79 - 42=
37
21+19=
40
18= 9+ ___
9
63-18=
45
8+10+10
28
84-43=
41
35+57=
92
15+___= 35
20
82-39=
43
10+5+15
30
55-20 =
35
27+47
74
10+ ___= 39
29
55-27 =
28
30+15+20
65