5 10/13+4 11\13 реите плиз
5 10/13+4 11/13 = (5+4)+(10/13+11/13)=9 21/13
5 10/13+4 11/13 = (5+4)+(10/13+11/13)=9 21/13=10 8/13
5 10/13 + 4 11/13 = 75/13 + 63/13 = 75/13 + 63/13 = 138/13 = 10 8/13
5 10/13+4 11/13=9 21/13=10 8/13 или75/13+63/13=138/13= 10 8/13