Răspuns:
Explicație pas cu pas:
a) simplificand fractia 21021/33033, obtinem fractia . b) simplificand fractia 1485/1815 , obtinem fractia . c) simplificand fractia 3²⁰²⁵-3²⁰²³/3²⁰²⁵+3²⁰²³
a) 21021/33033=1001·3·7/1001·3·11=7/11
b) 1485/1815=15·11·9/15·11·11=9/11
c) (3²⁰²⁵-3²⁰²³)/(3²⁰²⁵+3²⁰²³)=3²⁰²³(3²-1)/3²⁰²³(3²+1)=(9-1)/(9+1)=8/10=4/5
a) simplificand fractia 21021/33033, obtinem fractia 7/11
b) simplificand fractia 1485/1815 , obtinem fractia 9/11
c) simplificand fractia 3²⁰²⁵-3²⁰²³/3²⁰²⁵+3²⁰²³, obtinem fractia 4/5