Taking ,find :
(a) the rational number which when added to x gives y
(b) the rational number which subtracted from y gives z.
(c) the rational number which when added to z gives us x.
(d) the rational number which when multiplied by y to get x.
(e) the reciprocal of .
(f) the sum of reciprocals of x and y.
(g) (x ÷ y) × z
(h)
(i)
(j) x ÷ (y ÷ z)
(k)