Everyone can do maths...and enjoy it! This is a video tutorial for the Caribou Contest, the biggest worldwide online math contest for grades 3 to 12. Here, the solution to question https://cariboutests.com/question.php?con=181&q=16 is shown.
For more information on Caribou Contests and other math-related fun visit our facebook page: http://www.facebook.com/cariboucontests/
For free online practise tests go to https://cariboutests.com/test/practice_test_login.php
For more videos like this follow our channel http://www.dailymotion.com/CaribouContest
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