implied multiplication
implied multiplication articles on the Math Mental blog, with worked examples solved step by step.
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Order of operations: why 6÷2(1+2) splits the internet
Under the convention most widely used today, 6÷2(1+2) equals 9: parentheses first (1+2 = 3), then division and multiplication left to right, so 6÷2 = 3 and 3×3 = 9. Some calculators and many older textbooks give implied multiplication (no sign) higher priority and get 1. Both readings follow consistent rules; the real problem is that the expression is ambiguous. Write (6÷2)(1+2) or 6÷(2(1+2)) and the debate is over.
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