Ответы на вопрос:
1) 81=3^4; 0,75=3/4; 32=2^5; 125=5^3; 81^-0,75 +(1/125)^-1/3 -(1/32)^-3/5 = 3^(-4*3/4) +(1/5)^(-3//2)^(-5*3/5)= =3^-3 +(1/5)^-1 -(1/2)^-3 = 1/3^3+5 -2^3 =1/27+5-8= - 3+1/27= -2 26/27 2) 0,001=0,1^3; 64=4^3; 8=2^3; 0,001^-1/3 - (-2)^-2 +64^2/3 - 8^(-1/3) +9^2= =0,1^-1 - 1/4 + 4^2 - 1/2 +81=10-3/4+16+81=107-3/4=106 1/4 3) 27=3³; 16=2^4; 0,75=3/4; 25=5²; 0,5=1/2; 27^2/3 +(1/16)^-0,75 - 25^-0,5 =3^(3*2/3) + 2^(4*3/4) -5^(-1)= =3^2 +2^3 -1/5= 9+8-1/5=17-1/5=16 4/5
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