Question

8 км 200 мм + 7км 150 м= 18 км 370 м - 9 км 289 м = 5 км: 48 м : 4 = 2 км :78 м •3 =

Answer 1

1)15км 350 м
2)9км 81 м
3)1км 262 м
4)6км 234м

Answer 2

Let's solve the given expressions step by step:

1. 8 km 200 m + 7 km 150 m: To add kilometers and meters, we need to convert everything to meters first. 8 km = 8,000 m (since 1 km = 1,000 m) 7 km = 7,000 m So, the first expression becomes: 8,000 m + 200 m + 7,000 m + 150 m = 15,350 m Now, let's convert this back to kilometers and meters: 15,350 m = 15 km 350 m

2. 18 km 370 m - 9 km 289 m: Again, convert everything to meters first. 18 km = 18,000 m 9 km = 9,000 m So, the second expression becomes: 18,000 m + 370 m - 9,000 m - 289 m = 8,081 m Now, let's convert this back to kilometers and meters: 8,081 m = 8 km 81 m

3. 5 km : 48 m : 4: Divide 5 km by 48 m: 5,000 m / 48 m = 104.16666666666667 (recurring decimal) Now, divide this result by 4: 104.16666666666667 / 4 = 26.041666666666668 (recurring decimal) Converting this to kilometers and meters: 26.041666666666668 km = 26 km 41.67 m

4. 2 km : 78 m • 3: Divide 2 km by 78 m: 2,000 m / 78 m = 25.64102564102564 (recurring decimal) Now, multiply this result by 3: 25.64102564102564 * 3 = 76.92307692307692 (recurring decimal) Converting this to kilometers and meters: 76.92307692307692 km = 76 km 92.31 m

So, the final results are:

1. 8 km 200 m + 7 km 150 m = 15 km 350 m
2. 18 km 370 m - 9 km 289 m = 8 km 81 m
3. 5 km : 48 m : 4 = 26 km 41.67 m
4. 2 km : 78 m • 3 = 76 km 92.31 m