1. Zadatak

Rješenje 1:

$$\begin{aligned} &(467+135-252)\cdot28-28\cdot(163+159-22)+25\cdot(71-46)\\ &=350\cdot28-28\cdot300+25\cdot25\\ &=9\,800-8\,400+625\\ &=2025 \end{aligned}$$

Rješenje 2:

$$\begin{aligned} &(467+135-252)\cdot28-28\cdot(163+159-22)+25\cdot(71-46)\\ &=350\cdot28-28\cdot300+25\cdot25\\ &=28\cdot(350-300)+625\\ &=28\cdot50+625=1400+625\\ &=2025 \end{aligned}$$