Hard · Set 100
20 problems
Name:
Class:
Date:
1
8 - 6
=
2
4 - 1
=
3
9 - 1
=
4
7 - 4
=
5
4 - 2
=
6
3 - 2
=
7
8 - 3
=
8
8 - 7
=
9
6 - 1
=
10
9 - 7
=
11
8 - 2
=
12
9 - 2
=
13
9 - 7
=
14
8 - 6
=
15
6 - 2
=
16
6 - 4
=
17
9 - 8
=
18
9 - 5
=
19
9 - 6
=
20
4 - 1
=