1) 5,(3)+2,(6) = 5 + 1/3 + 2 + 3/10 = 7 + 2/3 = 7,(2)
2) 7,(4) - 3,(1) = 7 - 4/9 - 3 - 1/10 = 4 + 5/9 = 4,(5)
3) 9,(4) + 4,(5) = 9 + 2/9 + 4 + 1/20 = 13 + 23/45 = 13,(511)
4) 6,(12) - 3,(6) = 6 - 1/6 - 3 - 1/3 = 2 + 1/2 = 2,(5)
1) 5,(3)+2,(6) = 5 + 1/3 + 2 + 3/10 = 7 + 2/3 = 7,(2)
2) 7,(4) - 3,(1) = 7 - 4/9 - 3 - 1/10 = 4 + 5/9 = 4,(5)
3) 9,(4) + 4,(5) = 9 + 2/9 + 4 + 1/20 = 13 + 23/45 = 13,(511)
4) 6,(12) - 3,(6) = 6 - 1/6 - 3 - 1/3 = 2 + 1/2 = 2,(5)