Question

paranteză rotundă 1 supra 8 plus 1 supra 8 ori 4 închidem paranteza ori deschidem paranteză rotunda 1 supra 2 minus 2 supra 4 închidem paranteza egal​

Answer 1

 

$\displaystyle\bf\\\left(\frac{1}{8}+\frac{1}{8}\times4\right)\times\left(\frac{1}{2}-\frac{2}{4}\right)=\\\\\\=\left(\frac{1}{8}+\frac{1}{8}\times4\right)\times\left(\frac{1}{2}-\frac{1}{2}\right)=\\\\\\=\left(\frac{1}{8}+\frac{1}{8}\times4\right)\times0=\boxed{\bf0}$