MARWACHAHIDI77 MARWACHAHIDI77 Mathématiques Answered 30mn45s-16mn14s= 15h35mn40s-12h30mn= 14h25mn10s-11h35mn25s= 8h25mn+7h25mn= 9h27mn10s+35mn16s= 6h15mn55s+8h46mn10s= Bnsr svp jai nesoin c’est ex pour demain et merci davance