Easy
17
−2
÷5
+6
×4
+8
HALVE
−14
×7
+16
Medium
25
×6
×1/2
−3
×2/3
−6
÷7
−1
SQUARE
×3
Hard
57
−1
×5/7
+8
÷12
√
CUBE
SQUARE
+5
×2
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