[latex]oblicz jak najprostszym sposobem:\ a) (0,7)^{6} x (1frac{3}{7})^{6} - ( 1,6 )^{3} : ( 0,8 )^{3} =\ b) (0,9)^{9} x (1frac{1}{9})^{9} - (1,2)^{10} : (1frac{1}{5})^{10} =[/latex]

a) [latex](0,7*1frac{3}{7})^{6} - (frac{1,6}{0,8})^{3} = (frac{7}{10}*frac{10}{7})^{6} - 2^{3}=1-8=-7[/latex]   b) [latex](0,9*1frac{1}{9})^9 - (1,2/1frac{1}{5})^{10} =(frac{9}{10}*frac{10}{9})^9-(1,2:1,2)^{10}=1-1=0[/latex]

Oblicz jak najprostszym sposobem. [latex]12-frac{2}{7}-7+13frac{3}{7}[/latex]  [latex]-5,8+2,7-2,2+0,3[/latex] [latex]-5frac{1}{8}+1frac{1}{12}+2frac{7}{12}+frac{1}{8}[/latex] [latex]-0,5-frac{3}{4}+1frac{1}{2}-0,25[/latex]

Oblicz jak najprostszym sposobem. [latex]12-frac{2}{7}-7+13frac{3}{7}[/latex]  [latex]-5,8+2,7-2,2+0,3[/latex] [latex]-5frac{1}{8}+1frac{1}{12}+2frac{7}{12}+frac{1}{8}[/latex] [latex]-0,5-frac{3}{4}+1frac{1}{2}-0,25[/latex]...