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