2.
a) 4a = 4*3/4 = 3
b) 2y = 2 * 1 i 1/5 = 2*1,2 = 2,4
c) 2a + b = 2*1 i 1/2 + 3 = 2*1,5+3 = 6
d) 3a : 4 = 3*2 i 2/5 : 4 = 3 * 2,4 : 4 = 7,2 : = 1,8
e) m - 1 i 1/2 = 4 i 1/6 - 1 i 1/2 = 25/6 - 3/2 = 25/6 - 9/6 = 16/6 = 2 i 4/6 = 2 i 2/3 = 2,(6)
f) 3b + 2 i 5/6 = 3 * 1 i 1/9 + 2 i 5/6 = 3 * 10/9 + 17/6 = 30/9 + 17/6 = 120/36 + 102/36 = 222/36 = 6 i 6/36 = 6 i 1/6 = 6,1(6)
