4км 312м -745м=

To subtract meters from kilometers, you need to first make sure the units are the same. In this case, you need to convert the kilometers into meters.

• We know that 1 kilometer equals 1000 meters.
• Therefore, 4 kilometers equal 4 * 1000 meters = 4000 meters.

Now, add the additional 312 meters to this: 4000 meters + 312 meters = 4312 meters.

Now, you can subtract 745 meters from this total: 4312 meters - 745 meters = 3567 meters.

Since you started with a measurement including kilometers, you might want to convert the meters back to kilometers and meters. To do this:

• 1 kilometer is 1000 meters, so you see how many full kilometers are in 3567 meters.
• 3567 meters / 1000 meters/kilometer = 3 kilometers with a remainder of 567 meters.

Therefore, 4 kilometers 312 meters minus 745 meters equals 3 kilometers 567 meters.