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Calculati
A)(5^3)^10:25^15
B)[(3^3)^12÷3^20-56]÷5


Răspuns :

A)5^30/(5^2)15=5^30/5^30=5^30-30=5^0=1 B)[3^36/3^20-56]/5=[3^36-20-56]/5=(3^16-56)/5=