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uniti prin sageti fiecare enunt , aflat in coloana din stanga cu raspunsul corespunzator aflat in coloana din dreapta . a) simplificand fractia 21021/33033, obtinem fractia . b) simplificand fractia 1485/1815 , obtinem fractia . c) simplificand fractia 3²⁰²⁵-3²⁰²³/3²⁰²⁵+3²⁰²³​

Răspuns :

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