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The order of operations in arithmetic, specifically the convention of performing multiplication and division before addition and subtraction
The expression 143 + 305 * 70 evaluates to 21,493 when computed by hand by following the standard order of operations: perform multiplication before addition (PEMDAS/MULT before ADD) and then add the ...
PEMDAS and BODMAS are regional mnemonics that encode the same underlying order‑of‑operations principle—do grouping symbols first, then exponents/orders, then multiplication and division (as a pair, le...
Long multiplication (the standard or grade‑school algorithm) multiplies a three‑digit number by a two‑digit number by multiplying each digit of the multiplicand by each digit of the multiplier and the...