6. A motorcyclist traveled 980 km over three days. In the first two days, he traveled 725 km, and on the second day, he traveled 123 km more than on the third day. How many kilometers did he travel each of these three days?
6. Let's represent the condition of the problem in a drawing

980 km

![](https://cdn.mathpix.com/cropped/2024_05_21_e53d4ff4f2278a1c0d12g-043.jpg?height=348&width=1256&top_left_y=774&top_left_x=400)

1) $980-725=255$ (km) - traveled on the third day.
2) $255+123=378$ (km) - traveled on the second day.
3) $725-378=347$ (km) - traveled on the first day.

Answer: On the first day, he traveled 347 km, on the second day - 378 km, on the third day - 255 km.