because in the previous message about the pemdas
it is parenthesis,exponents,multiplication,division,addition,subtraction
therefore how that little part that looks like this
12 divided by 2*2
it would be multiplication first then
SORRY THEN DIVISION
SO THAT MEANS OVERALL IT IS TEN
10
http://mathforum.org/dr.math/faq/faq.order.operations.html
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