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