Question 21
Some small identical cubes are glued together as shown in the figure to form a bigger cube. One side of each small cube is 2 cm. What is the volume of smallest cube that can be add to formed the bigger cube when all the small cubes are put in place?
Original choices: A. 512; B. 376; C. 248; D. 136.
Editorial note: Explain the source difficulty; no automatic answer is assigned.
Original choices: A. 512; B. 376; C. 248; D. 136.
Editorial note: Explain the source difficulty; no automatic answer is assigned.