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a)50 grade 29 min-40 grade 44min=
b)45 grade 20 min-30 grade49 min=

Răspuns :

Feliciaroxana
a) 50 grade 29 min- 40 grade 44 min= 49 grade 89 min- 40 grade 44 min= 9 grade 45 min
b) 45 grade 20 min- 30 grade 49 min= 44 grade 80 min- 30 grade 49 min= 14 grade 31 min
50°29' - 40°44'=49°89'- 40°44'=9°45' 

45°20' - 30°49'=44°80' - 30°49'=14°31'