题目内容
{
×[4÷(3
×
)]÷
}-
.
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| 2 |
| 3 |
| 5 |
| 5 |
| 9 |
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| 4 |
| 1 |
| 3 |
分析:先算小括号里面的,再算中括号里面的,再算大括号里面的,算出大括号里面的结果,再算括号外面的减法.据此解答.
解答:解:{
×[4÷(3
×
)]÷
}-
,
={
×[4÷2]÷
}-
,
={
×2÷
}-
,
=
-
,
=1.
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| 5 |
| 5 |
| 9 |
| 3 |
| 4 |
| 1 |
| 3 |
={
| 1 |
| 2 |
| 3 |
| 4 |
| 1 |
| 3 |
={
| 1 |
| 2 |
| 3 |
| 4 |
| 1 |
| 3 |
=
| 4 |
| 3 |
| 1 |
| 3 |
=1.
点评:本题主要考查了学生分数四则运算的计算能力.
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