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Descompuneti in factori primi numerele:9,25,100,256,400,576, 729,900,1024,1296.

Răspuns :

9=3×3 ;25=5×5;100=10×10;256=128×2;400=200×2;576=288×2;729 ? ;900=100×9;1024=512×2;1296=648×2