First method: 

```
\(2858-858 \cdot\{4-[900-(81 \cdot 8+8 \cdot 19)-100]-2\}+879=\)
\(=2858-858 \cdot\{4-[900-8 \cdot(81+19)-100]-2\}+879 \quad 1\) POINT
\(=2858-858 \cdot\{4-[900-8 \cdot 100-100]-2\}+879 \quad 1\) POINT
\(=2858-858 \cdot\{4-[900-800-100]-2\}+879 \quad 1\) POINT
\(=2858-858 \cdot\{4-0-2\}+879 \quad 1\) POINT
\(=2858-858 \cdot 2+879\)
\(=2858-1716+879 \quad 1\) POINT
\(=1142+879\)
\(=2021 \quad 1\) POINT
```

TOTAL 6 POINTS

##
1. Calculate the value of the numerical expression:

$$
2858-858 \cdot\{4-[900-(81 \cdot 8+8 \cdot 19)-100]-2\}+879
$$