Mister Teacher, a 3rd grade math teacher, is teaching his kids to compare number values by using the “alligator mouth eats the greater number” trick. They seem to have gotten the idea: Almost all of ...
Looking for the answers to ax² + bx + c = 0? A mathematician has rediscovered a technique that the ancient Babylonians used. By Kenneth Chang and Jonathan Corum The quadratic equation has frustrated ...
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