Answers

2016-07-01T22:02:52+08:00
Just use PEMDAS,

= 99-2[(40/(54)] 
= 99-2(0.74)
=97(0.74)
=71.78
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2016-07-01T22:08:12+08:00
Steps to solve these is to remember these phrases: "Please Escuse My Dear Aunt Sally"
P parenthesis
E Exponents
Multiplication
Division
Addition
Subtraction
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