分数化成小数(除不尽的保留两位小数). 3 8    1 9 20      5 6

分数化成小数(除不尽的保留两位小数). 3 8    1 9 20      5 6      17 25 .
2025-03-05 09:44:56
推荐回答(1个)
回答1:

3
8
=3÷8=0.375;
1
9
20
=
29
20
=29÷20=1.45;
5
6
=5÷6≈0.83;
17
25
=0.68.
故答案为:0.375,1.45,0.83,0.68.