Question

10км 30м+48км 200м-39км 806м 30м 10см-19дм 6см+8м 4дм

Answer 1

1) 10 км 30 м+48км=58 км 30 м
2) 39 км 806м= 39 км 600 м
3) 6см+8м 4дм=8 м 4 дм 6см

Answer 2

18км424м 3654см равно 36м 54см

Answer 3

To calculate this expression, we need to add and subtract the given distances.

Starting with the addition:

10 km 30 m + 48 km 200 m + 8 m 4 dm

Now, let's add the kilometers separately from the meters and decimeters:

(10 km + 48 km) + (30 m + 200 m) + (8 m + 4 dm)

58 km + 230 m + 8 m + 4 dm

Now, let's convert 4 decimeters (dm) to meters (m), since there are 10 decimeters in 1 meter:

58 km + 230 m + 8 m + 0.4 m

Now, add up the kilometers and meters:

(58 km) + (230 m + 8 m + 0.4 m)

58 km + 238.4 m

So, the result is 58 kilometers and 238.4 meters.

Now, let's move on to the subtraction:

39 km 806 m 30 cm - 19 dm 6 cm

First, let's convert centimeters to decimeters (since there are 10 cm in 1 dm) and meters:

39 km 806 m 30 cm - (1 dm 9 cm + 6 cm) = 39 km 806 m 30 cm - 1 dm 15 cm

Now, let's subtract:

(39 km - 1 dm) + (806 m - 15 cm) + 30 cm

Since there are 10 decimeters in 1 meter and 100 centimeters in 1 meter, we need to convert the subtraction of decimeters to meters and centimeters:

(39 km - 0.1 m) + (806 m - 1.5 m) + 0.3 m

Now, subtract the meters and centimeters:

(39 km - 0.1 m) + (804.5 m) + 0.3 m

Now, add the kilometers and meters together:

(39 km - 0.1 m) + 804.5 m + 0.3 m

39 km + 804.7 m

So, the result is 39 kilometers and 804.7 meters.

Now, you have the results of both addition and subtraction:

Addition: 58 kilometers and 238.4 meters Subtraction: 39 kilometers and 804.7 meters