6.Calculati(punctul a lam facut asa ca incep de la b)

b)(9/2√6-8/3√6-4/√6)-(16/5√6=33/10√6)-3/√6-8/3√6)

c)(18/3√3-6/2√3+2/√3)-(12/3√3+5/2√3-4/3√3)

d)13/5√2+6/3√2)-(26/3√2+6/4√2-7/√2)
Imi trebuie cat se poate de repede