Multiply:

(i)


(ii)


(iii)


(iv)


(v)


(vi)


(vii)


(viii)


(i) *

=


=


(ii) *


=


=


(iii) *


=


=


(iv) *


=


=


(v) *


=


=


(vi) *


=


=


=


(vii) *


=


=


(viii) * 7


=


=


1
1