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...Www cemc uwaterloo ca thecentreforeducationinmathematicsandcomputing problem of the week d and solutions cube column removal abybycubeisformed using identical by cubes a number smaller are removed punching out fteen designated columns from front to back top bottom side what percentage volume original remains following solution in this we analyze how many at each stages when removing nally layer total during stage is no longer same order additional finally as going nal had ofthesmaller remaining after forces solver visualize second will be more concrete have been peel o layers illustrated diagrams shown below rst remain third fourth atotal there were...