Question $1[30]$

Given the production rules shown below

exp $$ exp addop term $|$ term

addop $+|-$

term $->$ term mulop factor $|$ factor

mulop $*$

factor $(exp)|$ number

write down the syntax trees for the following expressions

a$)3+4**5-6$

b$)3^{**}(4-5+6)$

c$)3-(4+5^{**}6)$