5. Replace $\Delta$ with a number so that the equality holds:

$$
238+237+236+\Delta+264+263+262=16 \cdot 23+82 \cdot(35-19)-5 \cdot 16 \text {. }
$$

Each task is scored out of 10 points.

The use of a pocket calculator or any reference materials is not allowed.

## COUNTY COMPETITION IN MATHEMATICS