Odpowiedź:
Zadanie 1
7.2
[tex]( \frac{1}{3} )^{2} \times ( \frac{1}{3} )^{3} \times \frac{1}{3 } = ( \frac{1}{3} )^{6} [/tex]
7.1
[tex] {2}^{2} \times 2 \times {2}^{5} = {2}^{8} [/tex]
Zadanie 2
7.11
[tex]( - 2a)^{3} \times ( - a)^{2} = ( - 3a)^{5} [/tex]
7.12
[tex](3m^{2}n^{3})^{3} = 3^{3} + (m^{2})^{3} + (n^{3})^{3} = 27m ^{6} n^{9} [/tex]
Zadanie 3
7.21
[tex] \sqrt{4} \times \sqrt{ 9} = 2 \times 3 = 6[/tex]
7.22
[tex] \sqrt{16} \times \sqrt{25} = 4 \times 5 = 20[/tex]
Zadanie 4
7.27
[tex] \sqrt{8} = \sqrt{4 \times 2} = 2 \sqrt{2} [/tex]
7.28
[tex] \sqrt{12} = \sqrt{4 \times 3 } = 2 \sqrt{3} [/tex]
