⇒11000km=1m. 1m = 0.001 km. Similarly, for 250m=2501000=0.25km . ∴. 250m = 0.25km. ∴. The value of 1km 250m = 1km 0.25 km = (1 + 0.25) km = 1.25km.
確定! 回上一頁