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2 Calculati:
a)
76 - 24 35' 40"
b)
32 45°47"-45 34' 40-1
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Răspuns :

a 75 59'60"-24 35' 40''= 51 24' 20"

b 32 45' 47"- 45 34'40''= -13 11' 7''