0和0.1中间的数字是0.05,构成0和0.1中间范围的数字有无限多个。如:0.01,0.02,0.03,……0.09;0.001,0.002,0.003,……0.009;……
解0和0.1中间数字是0.05(0+0.1)÷2=0.05答中间数是0.05。