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Calculati 45 de grae de impartit la 2
97 grade impartit la 2
2 de imultit la 75 grade 38 minute
2 de imultit la 67 grade 29 minute


Răspuns :

45⁰ :2 =44⁰ 60' :2 =22⁰ 30'
97⁰ :2=96⁰ 60' :2 =48⁰ 30'
2 × 75⁰ 38' =150⁰ 76"=151⁰ 16'
2 × 67⁰ 29' =134⁰ 58"