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Ex:13 Imi trebuie repede dau coroana

Ex13 Imi Trebuie Repede Dau Coroana class=

Răspuns :

100% = 40%+72
100%-40% = 60% ⇒ 72 = 60%
72:60x100 =1,2x100 = 120
120-72 = 48km a parcurs in prima zi