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3 · {(300 - 80 ÷ 5) - [3 · 25 - (8 - 2 · 3)]} I have no idea what this is or how to solve it.

 Jul 9, 2015

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3 · {(300 - 80 ÷ 5) - [3 · 25 - (8 - 2 · 3)]} 

 

=3×{(30080÷5)[3×25(82×3)]}$Dothestuffinthebrackets,andusePEDMAS$$Multiplicationanddivisionisdonebeforeadditionandsubtraction$=3×{(30016)[3×25(86)]}=3×{(284)[3×25(2)]}=3×{284[3×252]}=3×{284[752]}=3×{284[73]}=3×{28473}=3×{211}=3×211=633 

 Jul 9, 2015
 #1
avatar+118696 
+5
Best Answer

3 · {(300 - 80 ÷ 5) - [3 · 25 - (8 - 2 · 3)]} 

 

=3×{(30080÷5)[3×25(82×3)]}$Dothestuffinthebrackets,andusePEDMAS$$Multiplicationanddivisionisdonebeforeadditionandsubtraction$=3×{(30016)[3×25(86)]}=3×{(284)[3×25(2)]}=3×{284[3×252]}=3×{284[752]}=3×{284[73]}=3×{28473}=3×{211}=3×211=633 

Melody Jul 9, 2015

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