Выражения: a)([email protected][email protected])/[email protected] b)([email protected][email protected])/[email protected] @-альфа.

a)([email protected][email protected])/[email protected]=(2*[email protected]*[email protected])/(4*[email protected]*[email protected])=

[email protected]/(2*[email protected])

b)([email protected][email protected])/[email protected]=(2*[email protected]*[email protected])/(2*[email protected]*[email protected])=

[email protected]/[email protected]