Decimal Operations Basic Math

The basic rules of precedence are to find all squares and square roots first, then do all multiplication and division, and finally complete all addition and subtraction. So the following expression: 8 + 2 x 22/2. would be evaluated as. 8 + 2 x 4/2 = 8 + 8/2 = 8 + 4 = 12. The rules of precedence may be overridden when an expression contains ... ................
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