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2^7ori2^9ori2^3:2^8:2^10

Răspuns :

2^7•2^9•2^3:2^8:2^10=2^16•2^3:2^8:2^10=2^19:2^8:2^10=2^11:2^10=2^1=2
2⁷·2⁹·2³:2⁸:2¹⁰=2⁷⁺⁹⁺³⁻⁸⁻¹⁰=2¹=2
ex.: a²·a³=a²⁺³
       a⁴:a²=a⁴⁻²
sper ca te-am ajutat