Стпени и иррациональные выражения

I1) 27- (0,25) ^ (-2)+(375) ^0=27- (1/4) ^ (-2)+1=27-4^2+1=27-16+1=12 2) (1/16) ^ (-0,75)+(1/8) ^ (-4/3)=(1/2^4) ^ (-3/4)+(1/2^3) ^ (-4/3)=(2^4) ^ (3/4)+(2^3) ^ (4/3)=2^3+2^4=8+16=24 4) 3/4- (2/3) ^ (-1)=3/4-3/2=(3-6) /4=-3/4 5) 27^ (2/3)+9^ (-1)=(3^3) ^ (2/3)+1/9=3^2+1/9=9+1/9=9 1/9 6) (64/81) ^ (1/2)*(8/5) ^ (-1)=(8/9) ^2^ (1/2)*8/5=8/9*8/5=64/45 II 1) a^ (3/4): a^ (-1/6)=a^ (3/4): 1/a^ (1/6)=a^ (3/4)*a^ (1/6)=a^ (3/4+1/6)=a^ (11/12) 2) (b^ (5/6) ^3*кор 4 ст из (b^3)=b^ (15/6)*b^ (3/4)=b^ (15/6+3/4)=b^ (13/4) 3) кор 4 ст (y^3) / (y^ (1/3) ^ (a/2)=y^ (3/4): y^ (a/6)=y^ (3/4-a/6)=y^ (9-2a) /12 4) (n^ (1/4) ^ (4/3): кор кв (n^3)=n^ (1/3): n^ (3/2)=n^ (1/3-3/2)=n^ (-7/6) 5) (a^ (3/2): a^ (-7/2)*a^3=(a^ (3/2): 1/a^ (7/2)*a^3=a^ (3/2)*a (7/2)*a^3=a^ (3+7+6) /2)=a^ (16/2)=a^8 Остальные задания повторяются