missing-operator/add-sub-medium · Set 90
20 problems
Nome:
Classe:
Data:
1
68 ○ 44 24, what is ○?
=
2
21 ○ 7 3, what is ○?
=
3
110 __ 10 11
=
4
12 __ 6 72
=
5
45 __ 5 40
=
6
65 __ 32 33
=
7
7 ○ 7 49, what is ○?
=
8
33 __ 17 16
=
9
36 __ 3 12
=
10
77 ○ 7 11, what is ○?
=
11
60 __ 12 5
=
12
66 __ 11 6
=
13
44 __ 6 50
=
14
11 ○ 12 132, what is ○?
=
15
35 __ 30 65
=
16
5 __ 12 60
=
17
26 __ 22 48
=
18
6 __ 3 2
=
19
9 ○ 8 72, what is ○?
=
20
3 __ 4 12
=