Question

0.4和0.6之间有多少个两位小数

Answer 1

0.41，0.42， 0.43，0.44，0.45，0.46，0.47，0.48，0.49，0.50，0.51,0.52,0.53,0.54,0.55,0.56,0.57,0.58,0.59共19个