Question

726дм 15 см+105дм 95 см

Answer 1

1 дм - 10 см.
726 × 10 = 7260.
7260 + 15 = 7275 см.

105 × 10 = 1050.
1050 + 95 = 1145 см.

7275 + 1145 = 8420 см.

8420 см = 842 дм.
Ответ: 842 дм.

Answer 2

Ответ: 842 дециметра

Answer 3

To add these two lengths in decimeters and centimeters, you simply need to add the corresponding units separately.

726 decimeters + 15 centimeters = 726 decimeters + 1.5 decimeters = 727.5 decimeters

105 decimeters + 95 centimeters = 105 decimeters + 9.5 decimeters = 114.5 decimeters

Now, you have:

727.5 decimeters + 114.5 decimeters

Adding these two lengths together:

727.5 decimeters + 114.5 decimeters = 842 decimeters

So, the result is 842 decimeters.