把下列分数化成小数.110 235 158 9100 720 12 14 31100 2320 225.

小学数学题库 2025-08-29 00:38:51
把下列分数化成小数.
1
10
2
3
5
1
5
8
9
100
7
20
1
2
1
4
31
100
23
20
2
25
1
10
=1÷10=0.1,
3
5
=0.6,所以2
3
5
=2.6;
5
8
=0.625,所以1
5
8
=1.625;
9
100
=9÷100=0.09;
7
20
=7÷20=0.35;
1
2
=1÷2=0.5;
1
4
=1÷4=0.25;
31
100
=31÷100=0.31;
23
20
=23÷20=1.15;
2
25
=2÷25=0.08.