Easy
2
×9
+2
÷4
+3
HALVE
SQUARE
−1
÷3
+8
Medium
59
+4
×5/9
+1
×7/9
÷4
SQUARE
−16
DOUBLE
−6
Hard
20
+26
HALVE
−2
÷3
−1
CUBE
×11/2
√
+30
There are two versions that can be printed, a default one, and one that requires less ink (no objectives or rules, and no lines).