Hard · Set 3
20 problems
Name:
Class:
Date:
1
2 - 1
=
2
9 - 6
=
3
2 - 1
=
4
7 - 6
=
5
6 - 5
=
6
6 - 3
=
7
8 - 5
=
8
7 - 5
=
9
3 - 1
=
10
9 - 6
=
11
6 - 4
=
12
9 - 3
=
13
7 - 5
=
14
5 - 3
=
15
7 - 6
=
16
4 - 3
=
17
5 - 2
=
18
6 - 3
=
19
7 - 1
=
20
3 - 1
=