Hard · Set 59
20 problems
Name:
Class:
Date:
1
2 - 1
=
2
7 - 1
=
3
3 - 1
=
4
4 - 3
=
5
9 - 8
=
6
4 - 1
=
7
4 - 1
=
8
7 - 6
=
9
4 - 1
=
10
3 - 2
=
11
6 - 2
=
12
8 - 1
=
13
9 - 8
=
14
7 - 6
=
15
6 - 1
=
16
5 - 4
=
17
9 - 1
=
18
9 - 5
=
19
5 - 4
=
20
2 - 1
=