Please excuse my dear Aunt Sally. Most of us learned that mnemonic device at some point in our mathematical education. Calculations must be done in an appropriate succession to reflect distributive ...
A graphic artist is testing everyone’s knowledge of algebra and spot-the-difference skills with a pictograph math problem that assigns numbers to different fruits. Gergely Dudás, of Hungary Budapest, ...
Everyone agreed on the first step: Solve inside the parentheses, for 2+2=4. But after that, people split down two paths. Some multiplied first, while others divided, leading to different answers—1 and ...
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