a) = √6 (8-5) = 3√6
b) = [tex] \sqrt{66 \times \frac{11}{6 } } = \sqrt{121 } = 11[/tex]
c) = 10√7 +8√7 = 18√7
d) = 5 × √5 × √7 × ⅐ × √7 = 5√5
e) = [tex] \frac{9 \times 21}{49} = \frac{189}{49} = 3 \frac{42}{49} [/tex]
proszę o najj
