A. (A/.B.C.)/ => A//.B/.C//
A+B/+C
B. (A/+B/.C)/ => A//+B//.C/
A.B+C/
C. (A.B(C.D)/)/ => A//.B/.C//.D//
A/+B/+C+D
D. (A/+B/)/ => A/ +B//
A/.B
E. (A/.B/)/ => A//.B//
A+B
F. (A/+C/+D/)/ => A//+C//+D//
A.C.D
G. (A.(B+C/)//.D)/ => A/(B/+C//)/.D/
A/(B+C/).D/
A/+(B.C/)+D/
H. ((M+N/)(M/+N))/ => (M+N/)/(M/+N)/
(M/.N//)+(M//.N/)
(M/.N)+(M.N/)
I. (((A.B)/.C)/.D)/ => A///.B///.C//.D/
A///+B///+C//+D/
A/+B/+C+D/