Mystic Number 7
May 7, 2017 Leave a comment
Why we frequently use number 7?
Why there are seven days of week? seven deadly sins? seven wonders? . . . .
Look for the answer in the night sky or at aplusclick.org
Filed under Education, Free, Fun, Logic Puzzles, Recreational Math Tagged with entertainment, fun, interesting, learning, Mathematics, planets, recreational mathematics
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