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Calculti: a) 45°:2 b) 97°:2 c)2•75°38` d)2•67°29`

Răspuns :

a)22,5°
b)48,5°
c)151°16`
d)134°58`
a)22,30min
b)48,30min
c)131,16min
d)134,58min