题目内容
计算下面各题
÷
÷
÷
×
÷0.2×
.
| 15 |
| 16 |
| 3 |
| 8 |
| 5 |
| 6 |
| 9 |
| 13 |
| 15 |
| 26 |
| 5 |
| 6 |
| 3 |
| 20 |
| 2 |
| 3 |
考点:分数的四则混合运算
专题:运算顺序及法则
分析:乘法和除法是第二级运算,依据四则运算计算方法:先算第二级运算,再算第一级运算,如果只含有同一级运算,按照从左到右顺序计算即可解答.
解答:
解:
÷
÷
=
÷
=3;
÷
×
=
×
=1;
÷0.2×
=
×
=
.
| 15 |
| 16 |
| 3 |
| 8 |
| 5 |
| 6 |
=
| 5 |
| 2 |
| 5 |
| 6 |
=3;
| 9 |
| 13 |
| 15 |
| 26 |
| 5 |
| 6 |
=
| 6 |
| 5 |
| 5 |
| 6 |
=1;
| 3 |
| 20 |
| 2 |
| 3 |
=
| 3 |
| 4 |
| 2 |
| 3 |
=
| 1 |
| 2 |
点评:本题考查知识点:依据四则运算计算方法正确进行计算.
练习册系列答案
相关题目