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efectuati
a) 7^y3-5^2=
b) 477^1-0^2012
c) 15^2*2^3=
d)(2^2*5)^2=


Răspuns :

a) 7³-5²=343-25=318
b) 477¹-0²⁰¹²=477-0=477
c) 15² * 2³==225*8=1800
d)(2²*5)²= (4*5)^2=20^2=400

a. 343-25=318;
b. 477-0=477;
c. 225·8=1800;
d. [4·5]²=20²=400;