题目内容
计算(答数用分数表示):
=
.
(
| ||||
10.01÷
|
| 5 |
| 84 |
| 5 |
| 84 |
分析:分别求出分子、分母,根据分数与除法的关系,用分子除以分母即可化简.
解答:解:分子:(
+0.7)×3
=(
+
)×
=
×
=
;
分母:10.01÷
=
÷
=
×
=
;
÷
=
×
=
.
故答案为:
.
| 9 |
| 40 |
| 2 |
| 3 |
=(
| 9 |
| 40 |
| 7 |
| 10 |
| 11 |
| 3 |
=
| 37 |
| 40 |
| 11 |
| 3 |
=
| 407 |
| 120 |
分母:10.01÷
| 13 |
| 74 |
=
| 1001 |
| 100 |
| 13 |
| 74 |
=
| 1001 |
| 100 |
| 74 |
| 13 |
=
| 2849 |
| 50 |
| 407 |
| 120 |
| 2849 |
| 50 |
=
| 407 |
| 120 |
| 50 |
| 2849 |
=
| 5 |
| 84 |
故答案为:
| 5 |
| 84 |
点评:本题是考查繁分数的化简,根据小数、分数的四则计算分别求出分子、分母,再用分子除以分母即可.
练习册系列答案
相关题目