Easy
17
−8
SQUARE
+1
HALVE
−6
÷5
−1
×3
+12
Medium
29
+3
÷4
+1
×1/3
DOUBLE
SQUARE
+4
×3/4
−17
Hard
55
+5
÷6
×70%
CUBE
−3
÷5
×25%
×2
+40
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