\(210-\left(2^3.3^3+54\right):3^3-50\)
\(=210-270:27-50\)
\(=210-10-50\)
\(=200-50=150\)
\(\left[210-\left(2^3.3^3+54\right):3^3-50\right]\)
\(=210-270:27-50\)
\(=210-10-50\)
\(=200-50\)
\(=150\)
\(\left[210-\left(2^3\cdot3^3+54\right):3^3-50\right]\)
\(=\left[210-\left(8\cdot27+54\right):27-50\right]\)
\(=210-\left(216+54\right):27-50\)
\(=210-270:27-50\)
\(=210-10-50\)
\(=150\)
[210-(2^3.3^3+54):3^3-50]
=210-270:27-50
=210-10-50
=200-50
=150.
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