H has two, U has one, and B has one, but HUB has none at all. What mathematics lies behind this?
Presented by David Morris.
For Schools
Previously shown on November 9
(to 10.20)
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H has two, U has one, and B has one, but HUB has none at all. What mathematics lies behind this?
Presented by David Morris.
For Schools
Previously shown on November 9
(to 10.20)