Easy
14
+3
×4
+6
÷2
−17
HALVE
−3
×9
−8
Medium
21
DOUBLE
−2
×1/4
SQUARE
+4
÷8
−4
×1/3
×4
Hard
124
HALVE
+4
÷6
SQUARE
+1
×31/2
−7
×2/5
×25%
There are two versions that can be printed, a default one, and one that requires less ink (no objectives or rules, and no lines).
default less ink printing help