## Task 3

Calculate.

$$
\begin{array}{rl}
53+34-8 & 38+36+26 \\
64-0+1 & 100-1-1 \\
9 \cdot 2+2 & 2: 2-1
\end{array}
$$
$53+34-8=79 ; 38+36+26=100 ; 64-0+1=65 ; 100-1-1=98 ; 9 \cdot 2+2=20 ; 2: 2-1=0$