Odpowiedź:
Zad. 9
a) = 7+11 = 18
b) = 23-13 = 10
c) = 4+5= 9
d) = 9*7 - 8*5 = 63-40 = 23
e) = 4*10 + 4*3 = 40+12 = 52
f) = 5*5 + 2*2*2 = 25+8 = 33
Zad. 10
[tex] \sqrt{32} = 4 \sqrt{2} [/tex]
[tex] \sqrt{75} = 5 \sqrt{3} [/tex]
[tex] \sqrt{28} = 2 \sqrt{7} [/tex]
[tex] \sqrt{600} = 10 \sqrt{6} [/tex]
[tex] \sqrt{27} = 3 \sqrt{3} [/tex]
[tex] \sqrt{45} = 3 \sqrt{5} [/tex]
[tex] \sqrt{20} = 2 \sqrt{5} [/tex]
Zad. 11
[tex] \sqrt{32} + 5 \sqrt{2} = 4 \sqrt{2} + 5 \sqrt{2} = 9 \sqrt{2} [/tex]
[tex]5 \sqrt{3} - \sqrt{75} = 5 \sqrt{3} - 5 \sqrt{3} = 0[/tex]
[tex] \sqrt{54} + 2 \sqrt{6} = 3 \sqrt{6} + 2 \sqrt{6} = 5 \sqrt{6} [/tex]
[tex] \sqrt[3]{16} + 3 \sqrt[3]{2} = 2 \sqrt[3]{2} + 3 \sqrt[3]{2} = 5 \sqrt[3]{2} [/tex]
[tex]5 \sqrt[3]{3} - \sqrt[3]{81} = 5 \sqrt[3]{3} - 3 \sqrt[3]{3} = 2 \sqrt[3]{3} [/tex]
[tex] \sqrt[3]{375} - \sqrt[3]{3} = 5 \sqrt[3]{3} - \sqrt[3]{3} = 4 \sqrt[3]{3} [/tex]
