Express each of the following as a rational number of the form :

(i)

(ii)

(iii)

(iv)

(v)

(i) + () + () + - 3

= - - + - 3

= – – + –

=

=

=

(ii) + 1 + () + () +

= + – + –

= + – + –

=

=

(iii) + () + () + 6 +

= + - + 6 -

= + – + –

=

=

(iv) + 0 + () + +

= +0 - + +

= – + +

=

=

(v) + () + () + + 2

= + - - + 2

= + – -+

=

=

=