9+___=10
1
6+___=10
4
15 + ____ = 20
5
6+6=
12
17 + _____ = 20
3
225 + 115 =
340
35 + 25 =
60
80+10=
90
7+7=
14
7+___=10
3
40+20=
60
5+___=10
5
50+5=
55
62+20
82
70+20=
90
7 + ____ = 10
3