0.064^(-1/3)=1/0.064^1/3=1/0.4=2.5;
-(-1/8)^0=-(1)=-1;
7log7^2底数,真数?若7log7 (7^2)=2x7log7 (7)=14x1=14;
0.25^2=(0.5²)²=0.5^4
0.5^-4=1/0.5^4;
...
0.064^(-1/3)=1/0.064^1/3=1/0.4=2.5;
-(-1/8)^0=-(1)=-1;
7log7^2底数,真数?若7log7 (7^2)=2x7log7 (7)=14x1=14;
0.25^2=(0.5²)²=0.5^4
0.5^-4=1/0.5^4;
...