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