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Calculati:

a) 25°30'+13°18'-10°11'=
b) 180°-120°40'30''+15°10'20''=
c) 40°15'2''×3=
d) 51°10'× 2=
e) 20°20'28'' :2=

Răspuns :

Nicoletagesi
a) 25°30'+13°18'-10°11'=12°12'-10°11'=2°1'.
b) 180°-120°40'30''+15°10'20''=179°59'60"-120°40'30"+15°10'20"=59°19'30"+15°10'20"=44°9'10".
c) 40°15'2''×3=120°45'6".
d) 51°10'× 2=102°20'.
e) 20°20'28'' :2=10°10'14".

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