0.8(8循环)=0.1(1循环)*8=0.1(1循环)*3*8/3=0.3(3循环)*8/3因为0.3(3循环)=1/3所以原式=(1/3)*8/3=8/9希望可以帮到你。
0.8(8循环)=0.1(1循环)*8=0.1(1循环)*3*8/3=0.3(3循环)*8/3因为0.3(3循环)=1/3所以原式=(1/3)*8/3=8/9
0.88888...=8/(10-1)=8/9
