题目内容
算式
÷
×
÷
×
=
中有一w运算符号写错了，把它改成正确的算式是______．
| 五 |
| 4 |
| 口 |
| b |
| t |
| 2? |
| 3 |
| 8 |
| 口 |
| t |
| 8 |
| 2t |
根据分析可以将
前面的乘号改为除号，此时算式是：
÷
÷
÷
×
=
×
×
×
×
=（
×
）×（
×
）×
=
×
×
=
×
=
；
所以，改成正确的算式是
÷
÷
÷
×
．
故答案为：
÷
÷
÷
×
．
| 个 |
| 2 |
| 1 |
| 4 |
| 7 |
| 十 |
| 个 |
| 2 |
| y |
| 8 |
| 7 |
| 个 |
=
| 1 |
| 4 |
| 十 |
| 7 |
| 2 |
| 个 |
| 8 |
| y |
| 7 |
| 个 |
=（
| 1 |
| 4 |
| 8 |
| y |
| 十 |
| 7 |
| 7 |
| 个 |
| 2 |
| 个 |
=
| 2 |
| y |
| 十 |
| 个 |
| 2 |
| 个 |
=
| 4 |
| 个 |
| 2 |
| 个 |
=
| 8 |
| 2个 |
所以，改成正确的算式是
| 1 |
| 4 |
| 7 |
| 十 |
| 个 |
| 2 |
| y |
| 8 |
| 7 |
| 个 |
故答案为：
| 1 |
| 4 |
| 7 |
| 十 |
| 个 |
| 2 |
| y |
| 8 |
| 7 |
| 个 |
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