1.)

2.)

3.)

Start with the grammar G7, defined here. G7: = {+} := {*} :="') | a b c Modify it in the following way: Add subtraction and division operator (- and/) with the customary precedence and associativity. Start with the grammar G7, defined here. G7 == {+ := {*} :="( | abc Modify it in the following way: Add a left-associative operator % between + and * in precedence Start with the grammar G6, defined here. G6: == + | := * | := () a b c Modify it in the following way: Add a left-associative operator % between + and * in precedence