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PEMDAS/BODMAS

Mnemonics used to remember the order of operations in mathematics, which can sometimes be misleading if not properly understood.

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Jan 11, 2026
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How to use order of operations to compute 143 + 305*70 step by step?

The expression 143 + 305*70 is evaluated by applying standard order-of-operations rules that require multiplication before addition, so the product 305 × 70 is computed first and then added to 143, yi...

Jan 10, 2026

What are common pitfalls when computing expressions with multiplication and addition?

Computing expressions that mix multiplication and addition commonly trips people up because of order-of-operations rules and misleading mnemonics; multiplication has precedence over addition, but mult...