1. Израчунај: 7 dm = cm; 2 m = dm; 8 dm = cm; 67 dm = m dm; 1 m = dm = cm; 27 dm = m __ dm.

Question

Вопрос:

Accepted Answer

Знамо: 1 dm = 10 cm и 1 m = 10 dm = 100 cm.

7 dm = 7 · 10 cm = 70 cm; 2 m = 2 · 10 dm = 20 dm.

8 dm = 8 · 10 cm = 80 cm; 67 dm = 60 dm + 7 dm = 6 m 7 dm.

1 m = 10 dm = 100 cm; 27 dm = 20 dm + 7 dm = 2 m 7 dm.

1. Израчунај: 7 dm = __ cm; 2 m = __ dm; 8 dm = __ cm; 67 dm = __ m __ dm; 1 m = __ dm = __ cm; 27 dm = __ m __ dm.