题目内容
直接写出得数
|
| ||||||||
| 125×1.6= | 56÷6.28= | ||||||||
7×
|
| ||||||||
| 14×5= | 14×40= | ||||||||
| 75×10%= |
|
分析:运用分数乘除法法则,分子乘分子的积作分子,分母乘分母的积作分母,分子和分母能约分时要先约分再计算,除以一个分数等于乘这个分数的倒数.
解答:解:
×
=
÷
=
125×1.6=200 56÷6.28=
7×
÷7×
=
-
=
14×5=70 14×40=560
75×10%=7.5
÷3-
=0
故答案为:
;
;200;
;
;
;70;560;7.5;0.
| 2 |
| 7 |
| 5 |
| 8 |
| 5 |
| 28 |
| 1 |
| 8 |
| 3 |
| 4 |
| 1 |
| 6 |
125×1.6=200 56÷6.28=
| 1400 |
| 157 |
7×
| 1 |
| 7 |
| 1 |
| 7 |
| 1 |
| 49 |
| 4 |
| 5 |
| 1 |
| 3 |
| 7 |
| 15 |
14×5=70 14×40=560
75×10%=7.5
| 1 |
| 3 |
| 1 |
| 9 |
故答案为:
| 5 |
| 28 |
| 1 |
| 6 |
| 1400 |
| 157 |
| 1 |
| 49 |
| 7 |
| 15 |
点评:掌握法则,弄清运算顺序,灵活运用多做多练是关键.
练习册系列答案
相关题目