I plan to post the answers to these on monday.
1) Can the following expression be simplified?
(x-a)(x-b)(x-c)...(x-z)
Only basic algebra is required.
In the following problems, each letter represents a digit. Same letter, same digit. Different letters mean different digits.
2.
ABCD
x 4
----
DCBA
3.
SEND
+MORE
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MONEY
Regards, Hilmar.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
