Răspuns:
a)
[tex](56:2^2+2*9:3):2^2-2^2=(56:4+18:3):4-4=(14+6):4-4=20:4-4=5-4=1[/tex]
c)
[tex](576:48+4^2):(2^9:2^7)=(12+16):2^{9-7}=28:2^2=28:4=7[/tex]
d)
[tex][(25*7-13^2)*12-8^2]*2^{17}-4^{10}=[(175-169)*12-64]*2^{17}-4^{10}=(6*12-64)*2^{17}-4^{10}=(72-64)*2^{17}-4^{10}=8*2^{17}-4^{10}=2^3*2^{17}-2^{2*10}=2^{20}-2^{20}=0[/tex]
b)
[tex]3^5:(3^2:3^7)^3:3^{(2)^5}=3^5:3^{2-7}:3^{2*5}=3^5:3^{-5}:3^{10}=\frac{3^5}{\frac{1}{3^5}}:3^{10}=3^5*3^5:3^{10}=3^{10}:3^{10}=1[/tex]
Explicație pas cu pas:
