Question

800 cm
= ? dm = ? mm
9 km = ? hm
? dam
2. Calculează:
a) 180 dam + 320 dam = ? m
1 000 m -50 dam = ? dam
6 x 250 dam = ? dam = ? hm
b) 4 m +32 dm = ? dm
42 m - 30 dm = ?m
6 x 220 dm = ? dm = ?m
c) 17 dm + 19 cm = ? cm
415 dm - 70 cm = ? dm
80 mm : 2 = ?mm =
INSTRUMENTE DE
? m​

Answer 1

Răspuns:

800 cm = 80 dm = 8000 mm

9 km = 90 hm = 900 dam

2.Calculează:

a) 180 dam + 320 dam = 5000 m

1000 m - 50 dam = 50 dam

6 x 250 dam = 1500 dam = 150 hm

b) 4 m + 32 dm = 72 dm

42 m - 30 dm = 39 m

6 x 220 dm = 1320 dm = 132 m

c) 17 dm + 19 cm = 189 cm

415 dm - 70 cm = 408 dm

80 mm : 2 = 40 mm = 0,04 m