Friday, October 24, 2014

october 19

homework

  • Where to place a bus stop so that the total walk for the people in the village is the least?










  • Can you find all ways to choose two colors out of 6?





    • It is easy to get a triangular shadow out of a tetrahedron. Can you get a square shadow?









    Posted by at
    Labels:

    No comments:

    Post a Comment

    Subscribe to: Post Comments (Atom)