Easy
9
−3
×4
+12
HALVE
−8
÷2
+8
×3
+16
Medium
31
+4
÷5
SQUARE
−1
×2/3
×4
+5
×2/7
−7
Hard
57
−13
×3
×25%
+9
÷14
+1
√
+3
×31/5
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