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Calculați:a) 36 grade 15 minute 24 secunde +12 grade 29 minute42 secunde =? b)42 grade 24 minute-36 grade 40 minute=? c) 12 grade 13 minute 24 secunde • 3=? d) 57 grade 23 minute : 2=?

Răspuns :

Andreutsa10

a) 48 grade 45 minute6 secunde

b) 5 grade 44 minute

c) 36grade 40 minute 12 secunde

d)28 grade 41minute 30 secunde

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