Parentheses, exponents, multiplication and division, addition and subtraction.
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For subtracting and adding you cannot add or subtract unalike things. For multiplication and division you can multiply by whatever you want. In some maths you even multiply by variables such as "x". Or divide by them.
It is: (9-5)*6*1 = 24
because it is easier than adding and subtracting so many times??
MULTIPLY AND DIVIDE 1ST..THEN AFTER PERFORMING THIS STEPS YOU CAN NOW PROCEED WITH ADDING OR SUBTRACTING THE GIVEN NUMBERS NOTE: MULTYPLY AND DIVIDE IS EQUAL..... ADDITION AND SUBTRACTION IS ALSO EQUAL Example: = 9*5-100/5 =(45)-(20)
For dividing they spelled it out for example, two-sevenths was "duae septimae" and three-eighths was "tres octavae." For multiplying they put horizontal a dash or line over the numeral and multiply by a thousand ...... I believed there was nor subtracting or adding just adding on or taking off numerals.