Question

Cine ma poate ajuta?

Coloana A

a)2,5km = ___________ m
b)0,5m = ___________ cm
c)180dm = ___________ m
d)7850m = ___________ km
e)1900 mm = ___________ dm
f)0,055m = ___________ cm
g)12dm = ___________ cm
h)78cm = ___________ mm
i)0,5km = ___________ m
j)12 500mm = __________ m
k)0,2dm = __________ mm
l)340mm = ___________ m
m)1,5km = ____________ m



Coloana B

a)2 min = ______ s
b)4,5 h = ______ min
c)3600 s = _____ min
d)0,25 h = ______ min
e)1800s = _______ min
f)12,5 min = ______ s
g)1,5 d =______ h
h)0,75 min = ______ s
i)45 min = ______ h
j)330 s =______ min
k)630 min =_______ h
l)900 s = ______ min
m)24 h = ______ min​

Answer 1

Răspuns:

Explicație pas cu pas:

a)2,5km = 2500 m

b)0,5m = 50 cm

c)180dm = 18 m

d)7850m = 7,85 km

e)1900 mm = 19 dm

f)0,055m = 5,5 cm

g)12dm = 120 cm

h)78cm = 780 mm

i)0,5km = 500 m

j)12 500mm = 12,5 m

k)0,2dm = 20 mm

l)340mm = 0,34 m

m)1,5km = 1500 m

____________________

a)2 min = 2 x 60 = 120 s

b)4,5 h = 4,5 x 60 = 270 min

c)3600 s = 60 min

d)0,25 h = 0,25 x 60 = 15 min

e)1800 s = 30 min

f)12,5 min = 2,5 x 60 = 150 s

g)1,5 d =1,5 x 24 = 36 h

h)0,75 min = 0,75 x 60 = 45 s

i)45 min = 0,75 h

j)330 s = 5,5 min

k)630 min = 10,5 h

l)900 s = 15 min

m)24 h = 24 x 60 = 1440 min​