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efectuați:a)7^3-5^2=;b) 477^1-0^2012 ;c)15^2x2^3;d)(2^2x5)^2

Răspuns :

a)7^3-5^2=343-25=318
b) 477^1-0^2012=477-1=476
c)15^2x2^3=225x8=1800
d)(2^2x5)^2 =(4x5)²=20²=400
147-25=122
477-0=477
225x8=1800
(4x5)^2= 4^2x5^2=16x25=400.
Sper ca e bine. Succes