Easy
11
−4
×7
+5
HALVE
−3
÷4
−1
×4
−12
Medium
20
×8
−6
×5/7
HALVE
+1
÷8
−1
×1/2
×9
Hard
74
−4
÷14
SQUARE
+30
×2
×40%
×3
×41/2
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