each-vertex-of-a-cube-is-to-be-labeled-with-an-integer-1-through-8-with-each-integer-being-used-once-in-such-a-way-that-the-sum-of-the-four-numbers-on-the-vertices-of-a-face-is-the-same-for-each-fa
Question Number 90122 by M±th+et£s last updated on 21/Apr/20
Commented by M±th+et£s last updated on 21/Apr/20