usuń niewymiernośc z mianownika NAtalija :*: 4−2√3 −−−−−− = 2−3√3

dan: (4−2√3) (2+3√3) 8+12√3−4√3−18 −−−−−−−−−−−−−−−−−−−−−−−− = −−−−−−−−−−−−−−−−−−−−−−−− (2−3√3) (2+3√3) 4−9 −10+8√3 −8√3+10 =−−−−−−−−−−−−−−−−−−−−−−= −−−−−−−−−−−−−−−−−−−− −5 5

dan: w mianowniku jest 4−27=−23 sorki za błąd