Question

product of sums
(x×y) (u+v) = xu×xv+yu+yv
using this
25×12=(20+5)(10+2)
=20+10+20×2+5×10+5×2
=200+40+50+10
=300
a) 32×11=
b)55×13=
c)101×202=​

Answer 1

Answer:

i hope this may help you..