Odpowiedź :
Odpowiedź:
a)
[tex]3^{2} *3^{3} :3^{4} =3[/tex]
b)
[tex](3\frac{1}{3}) ^{2} :(1\frac{3}{9} )^{2}=(3\frac{1}{3} :1\frac{3}{9} )^{2} =(\frac{10}{3} :\frac{12}{9} )^{2} =(\frac{10}{3} *\frac{9}{12} )^{2} =(\frac{15}{6} )^{2} =\frac{225}{36}[/tex]
Szczegółowe wyjaśnienie:
[tex]a)~~3^2\cdot3^3:3^4=3^{2+3-4}=3^1=3\\\\b)~~(3\frac13)^2:({1\frac39})^2=(3\frac13:1\frac39})^2=(3\frac13:1\frac13})^2=(\frac{10}3:\frac43})^2=\\=(\frac{10}3\cdot\frac34})^2=(\frac{5}{2})^2=\frac{25}4=6\frac16[/tex]