zadanie 6
a) √800 = √400*2 = 20√2
b) 3√75 + 3√48 + √2 = √3*75 + √3*48 + √2= √225 + √144+√2= 15+14+√2=29√2
g)√z(1+√Z)=√z+√z*
h(√2-√6)* =√2*-2 ^√2^√6+√6*=2-2√12+√6
i)(2+√2)(3+√2)=6+2√2+3√2+2=8+5√2
j)(3√5-2√2)(3√5+2√2)= 45-8= 37
k)(√x+√x-y) (√x-√x-y)= √x*-√x*y*
p)4/3√8^3√8/3√8=12√8/72
