学分高考认证
分析:此题中的分数都能化成有限小数,用分子除以分母,解决问题.解答:解:
3
10
=0.3;
8
=0.8;
2
100
=0.02;
37
=0.37;
21
1000
=0.021;
256
=0.256.故答案为:0.3,0.8,0.02,0.37,0.021,0.256.点评:掌握分数化成小数的方法,即可解决问题.