题目内容
| 1 |
| 5 |
| 1 |
| 4 |
20
20
%分析:根据减法的意义可知,
比
少
-
,根据分数的意义,
比
少(
-
)÷
.
| 1 |
| 5 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 4 |
解答:解:(
-
)÷
.
=(
-
)÷
.
=
÷
,
=20%.
故答案为:20%.
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 4 |
=(
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 4 |
=
| 1 |
| 20 |
| 1 |
| 4 |
=20%.
故答案为:20%.
点评:完成本题要注意将
当作单位“1”.
| 1 |
| 4 |
练习册系列答案
相关题目