题目内容
①
=20÷50=10:
②
=12.5%=
③0.75=
=
④0.6=
=
=
⑤
=0.125=
⑥
=
=
⑦0.25=
=
⑧
=0.6=6÷
| ( ) |
| 35 |
25
25
=40
40
%=四
四
成=0.4
0.4
小数 ②
2
2
÷16=| 4 |
| ( ) |
1
1
:8
8
=0.125
0.125
小数 ③0.75=
| ( ) |
| ( ) |
9
9
:12=6÷8
8
=75
75
% ④0.6=
| ( ) |
| 40 |
| 27 |
| ( ) |
60
60
%=3
3
:5⑤
| ( ) |
| 16 |
4
4
:32=8÷64
64
=12.5
12.5
% ⑥
15
15
÷20=6÷8=| ( ) |
| 24 |
| 24 |
| ( ) |
3
3
:4不
不
不
不
⑦0.25=
| ( ) |
| ( ) |
25
25
%=1
1
÷4
4
=1
1
:4
4
⑧
| ( ) |
| 15 |
10
10
=3
3
:5
5
=60
60
%=六
六
成.分析:此题根据小数、分数、百分数之间的关系和性质进行转化即可.
解答:解:①
=20÷50=10:25=40%=四成=0.4;
②2÷16=
=12.5%=1:8=0.125;
③0.75=
=9:12=6÷8=75%;
④0.6=
=
=60%=3:5;
⑤
=0.125=4:32=8÷64=12.5%;
⑥15÷20=6÷8=
=
=3:4;
⑦0.25=
=25%=1÷4=1:4;
⑧
=0.6=6÷10=3:5=60%=六成.
| 14 |
| 35 |
②2÷16=
| 4 |
| 32 |
③0.75=
| 3 |
| 4 |
④0.6=
| 24 |
| 40 |
| 27 |
| 45 |
⑤
| 2 |
| 16 |
⑥15÷20=6÷8=
| 18 |
| 24 |
| 24 |
| 32 |
⑦0.25=
| 1 |
| 4 |
⑧
| 9 |
| 15 |
点评:此题考查小数、分数、百分数之间的转化,根据它们之间的关系和性质进行转化即可.
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