median
don steward
mathematics teaching 10 ~ 16
Friday, 28 July 2017
cuboid with a shell
the difference (i.e. volume of the shell)
between a cuboid (with 3 consecutive numbers as the dimensions) and
another cuboid where the dimensions are all 1 unit bigger
a 2 by 3 by 4 cuboid
with a shell around it
the difference is always 6 times a square number
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment