a=324 b=4912 c=1258 a, b ve c'yi sıralayınız.
3 9 − 3 3 .3 5 3 9 = ? {\displaystyle {\frac {3^{9}-3^{3}.3^{5}}{3^{9}}}=?}
4912=724 1258=524 724>524>324 b>c>a
3 9 − 3 3 .3 5 3 9 = 3 9 − 3 8 3.3 8 = 3.3 8 − 3 8 3.3 8 = 2.3 8 3.3 8 = 2 3 {\displaystyle {\frac {3^{9}-3^{3}.3^{5}}{3^{9}}}={\frac {3^{9}-3^{8}}{3.3^{8}}}={\frac {3.3^{8}-3^{8}}{3.3^{8}}}={\frac {2.3^{8}}{3.3^{8}}}={\frac {2}{3}}}