1
17-3\4=16 1/4 16 1/4<1<br>(9,1)^корень7>1
(5\3)^-2,5=(0,6)^2,5 (0,6)^2,5<1<br>(1\2)^5<1</span>
2
2^(3+log(7) 4)=8*2^log(7)4=8*2^2log(7)2=8*4^log(7)2
(1\6)^(2+log1\6 20)=1/36*(1)6^log(1/6)20=1/36*20=20/36=5/9
√7^(4+log(√7 )0.5)=49*√7^log(√7)0,5=49*0,5=24,5
3
49^(1-log\7 4) +5=49:7^lof(7)16+5=49/16+5=4 1/16+5=9 1/16
4
a)x=10²+81^(3/4):125^(2/3)=100*27:25=108
b)x=16^(1/2):8*28=5:8*28=14