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26-09-2016
Mathematics

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8X{[(7+4)X2]-[(11-7)X4]}

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26-09-2016

inner to outer

PEMDAS
order of operations
Parenthasees
Exponents
Mulitplication
Division
Addition
Subtraction

so first innermost parenthasees
7+4=11
11-7=4

we have
8{[11*2]-[4*4]}
parenthasees inner
11*2=22
4*4=16
now we have
8{22-16}
inner parentahees again
22-16=6
now we have
8{6}
8 times 6=48

answer is 48

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