题目内容
0.8÷3÷
×
÷0.64×27.9=
| 9 |
| 20 |
| 3 |
| 2 |
38.75
38.75
.分析:根据题意,只含有乘除法一级运算,按照从左向右的顺序进行计算即可.
解答:解:0.8÷3÷
×
÷0.64×27.9,
=
×
÷
×
÷0.64×27.9,
=
÷
×
÷0.64×27.9,
=
×
×
÷0.64×27.9,
=
×
÷0.64×27.9,
=
÷0.64×27.9,
=
÷
×27.9,
=
×
×27.9,
=
×27.9,
=38.75.
故答案为:38.75.
| 9 |
| 20 |
| 3 |
| 2 |
=
| 4 |
| 5 |
| 1 |
| 3 |
| 9 |
| 20 |
| 3 |
| 2 |
=
| 4 |
| 15 |
| 9 |
| 20 |
| 3 |
| 2 |
=
| 4 |
| 15 |
| 20 |
| 9 |
| 3 |
| 2 |
=
| 16 |
| 27 |
| 3 |
| 2 |
=
| 8 |
| 9 |
=
| 8 |
| 9 |
| 16 |
| 25 |
=
| 8 |
| 9 |
| 25 |
| 16 |
=
| 25 |
| 18 |
=38.75.
故答案为:38.75.
点评:只含有一级运算,按照从左向右的顺序进行计算即可.
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