s = 2 1/2 km
t = 3/5 h
v = ?
v = s/t
v = 2 1/2 : 3/5 = 5/2 * 5/3 = 25/6 km/h
v = 4 1/6 km/h
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Odp.Kasia szła z predkością 4 i 1/6 km/h.
S = 2 1/2 km = 5/2 km
v = S / t
===========
v = [ 5/2 km ] : (3/5) h = [ (5/2)*( 5/3)] km/h = 25/6 km/h = 4 1/6 km/h
Odp. Kasia szła z prędkością 4 1/6 km / h.
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s = 2 1/2 km
t = 3/5 h
v = ?
v = s/t
v = 2 1/2 : 3/5 = 5/2 * 5/3 = 25/6 km/h
v = 4 1/6 km/h
==============
Odp.Kasia szła z predkością 4 i 1/6 km/h.
S = 2 1/2 km = 5/2 km
t = 3/5 h
v = S / t
===========
v = [ 5/2 km ] : (3/5) h = [ (5/2)*( 5/3)] km/h = 25/6 km/h = 4 1/6 km/h
Odp. Kasia szła z prędkością 4 1/6 km / h.
========================================