Integers
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* + - / multiply. add subtract divide
Grouping symbols are symbols such as parentheses or brackets, that indicate that the operations within them should be done first. When an expression contains more than one pair of grouping symbols, the computations in the innermost grouping should be done first.
The grouping of symbols and number of 4 times 6 subtract 2 plus 7 equals 23 would look like 4(6-2)+7=23. Remember the problem with the in parenthesis should be completed first.
p --- stands for parenthesis, but you do all grouping symbols 1st. e -- stands for exponents, but include radicals (sq roots) are 2nd md -- stands for multiplication and division done from right to left ( not necessarily multiply first) done 3rd as -- stands for addition and subtraction just like md from left to right this is done last
they are both grouping symbols in math