Zadanie 1
a
\frac{7-5}{5}*100=40%
\frac{7-5}{7}*100=ok.28,57%
b
\frac{161-160}{160}*100=0,625%
\frac{161-160}{161}*100=ok.0,62%
c
\frac{18-8}{8}*100=125%
\frac{18-8}{18}*100=ok.55,55%
d
\frac{0,9-0,5}{0,5}*100=80%
\frac{0,9-0,5}{0,9}*100=ok.44,44%
e
\frac{0,1-0,01}{0,01}*100=900%
\frac{0,1-0,01}{0,1}*100=90%
f
\frac{17,1-17}{17}*100=ok.0,59%
\frac{17,1-17}{17,1}*100=ok.0,58%