Click on a square to the left of the X-ray bar and move it to the X-ray bar to reveal the arithmetic problem it contains. Once you determine what the answer to the problem is, move it over the square on the right side of the X-ray bar that contains the answer. Once you have the problem over its answer, drop the squire to place it. Move all problems to their answers to complete the level.
Drag the question, move it to the X-ray bar, find the solution and drop it to the right answer.
Doodl
Space
Brown
Genes
Merge
Cake
Cave
Block
Sonic
Color
Choco
Squid
10x10
Poult
Mew C
Doll
Quizc
Hiero
Tm Dr
Anima
Impos
Baby
Kille
Geome
Baby
Diy J
Zombi
Crazy
Endle
Missi
One B
Motor
Build