\(\left\{2^2.30-\left[76-\left(9-3\right)^2\right]\right\}:50\)
\(=\left[2^2.30-\left(76-6^2\right)\right]:50\)
\(=\left[2^2.30-\left(76-36\right)\right]:50\)
\(=\left(2^2.30-40\right):50\)
\(=\left(4.30-40\right):50\)
\(=\left(120-40\right):50\)
\(=80:50\)
\(=\dfrac{8}{5}\)
\(=1,6\)
\(\left\{2^3.30-\left[76-\left(9-3\right)^2\right]\right\}:50\)
\(=\left\{8.30-\left[76-6^2\right]\right\}:50\)
\(=\left\{240-\left[76-36\right]\right\}:50\)
\(=\left\{240-40\right\}:50\)
\(=200:50\)
\(=4\)
{23.30-[76-(9-3)2]}:50
={ 8 . 30 - [ 76 - 62 ] } : 50
={ 240 - [ 76 - 36 ] } : 50
= { 240 - 40 } : 50
= 200 : 50
= 4
