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(3^52-3^51-3^50)^2÷(9^50×25)=

Răspuns :

3^50(3^2-3^1-3^0)^2:[(3²)^50·5²)]= 3^50(9-3-1)^2:[(3²)^50·5²)]=[(3^50)·5]^2:[(3²)^50·5²)]=[(3^50)·5]^2·1/[(3^100·5²)]=3^100·5²·1/[(3^100·5²)]=1