Răspuns:
Explicație pas cu pas:
12°13' *3 = 36°39'
15°28'30'' *4 = 60°112'120'' = 60°114'' = 61°54'
58'130''*4 = 232'520'' = 240'40'' = 6°40''
25°12'43'' *2 = 50°24'86'' = 50°25'26''
3°58'' *16 = 48°928'' = 48°15'28''
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125° : 2 = 124°60' : 2 = 62°30'
18°33' : 4 = 16°153' = 16°152'60'' = 4°38'15''
15°49'18'' : 2 = 14°109'18'' : 2 = 14°108'78'' : 2 = 7°54'39''
24°38'10'' : 5 = 20°278'10'' : 5 = 20°275'180'' : 5 = 4°55'36''
17°32' : 2 = 16°92' : 2 = 8°46'