Simplify:
8−{12−(9−7−4‾)}8 - \text{\textbraceleft}12 - (9 - \overline{7 - 4})\text{\textbraceright}8−{12−(9−7−4)}
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Given expression:
=8−{12−(9−3)}[Removing ’bar’]=8−{12−6}[Removing ( )]=8−6=2[Removing { }]= 8 - \text{\textbraceleft}12 - (9 - 3)\text{\textbraceright} \hspace{2cm}\text{[Removing 'bar']} \\[1em] = 8 - \text{\textbraceleft}12 - 6\text{\textbraceright} \hspace{2.5cm}\text{[Removing ( )]} \\[1em] = 8 - 6 = 2 \hspace{3cm}\text{[Removing \text{\textbraceleft} \text{\textbraceright}]}=8−{12−(9−3)}[Removing ’bar’]=8−{12−6}[Removing ( )]=8−6=2[Removing { }]
The answer is 2
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10 - {56 ÷ (-16 + 9)}
(-6) - {(-28) ÷ (-7)}
11−[(−8)−{10−(9−7−4‾)}]11 - [(-8) - \text{\textbraceleft}10 - (9 - \overline{7 - 4})\text{\textbraceright}]11−[(−8)−{10−(9−7−4)}]
(−9)−[(−5)−{11−(8−5−2‾)}](-9) - [(-5) - \text{\textbraceleft}11 - (8 - \overline{5 - 2})\text{\textbraceright}](−9)−[(−5)−{11−(8−5−2)}]
