Cut Cube
A solid, four-inch cube of wood is coated with blue paint on all
six sides.
Then the cube is cut into smaller one-inch cubes.
These new one-inch cubes will have either three blue sides, two blue sides, one blue side, or no blue sides. How many of each will there be?
Then the cube is cut into smaller one-inch cubes.
These new one-inch cubes will have either three blue sides, two blue sides, one blue side, or no blue sides. How many of each will there be?
Our
Solution
There are 8 with three sides colored, 24 with two sides colored, 24 with one side colored, and 8 with no sides colored.
Here I have done one face, and also shown you that "inside" there are 8 with no paint at all:
അഭിപ്രായങ്ങളൊന്നുമില്ല:
ഒരു അഭിപ്രായം പോസ്റ്റ് ചെയ്യൂ