(1)(1/2)^0.2/(1/3)^0.2 =(3/2)^0.2 因为3/2大于1,又0.2大于0,所以(3/2)^0.2大于(3/2)^0=1,所以前者大
(2)先画出图像y=(1/2)^xy=(1/3)^x然后取x=0.2,即可比出大小 如图,
(1)(1/2)^0.2/(1/3)^0.2 =(3/2)^0.2 因为3/2大于1,又0.2大于0,所以(3/2)^0.2大于(3/2)^0=1,所以前者大
(2)先画出图像y=(1/2)^xy=(1/3)^x然后取x=0.2,即可比出大小 如图,