Odpowiedź :
[tex]-\frac{4}{7} *((\frac{7}{4}) ^{2}) ^{3} =-\frac{4}{7} *(\frac{7}{4}) ^{6} =-\frac{4}{7} *\frac{7}{4} *(\frac{7}{4}) ^{5} =-1*(\frac{7}{4}) ^{5} =-(1\frac{3}{4}) ^{5}[/tex]
[tex]-\frac{4}{7} *((\frac{7}{4}) ^{2}) ^{3} =-\frac{4}{7} *(\frac{7}{4}) ^{6} =-\frac{4}{7} *\frac{7}{4} *(\frac{7}{4}) ^{5} =-1*(\frac{7}{4}) ^{5} =-(1\frac{3}{4}) ^{5}[/tex]