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