Easy
13
+3
HALVE
−2
SQUARE
+18
÷9
−1
×9
−3
Medium
56
−1
÷5
SQUARE
DOUBLE
−8
×1/3
HALVE
+1
×1/2
Hard
121
√
+1
×31/3
×85%
−12
×8
+6
×4/7
HALVE
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