问题
计算题
脱式计算。
|
答案
| （1）27×14+309 | |
| =378+309 | |
| =687 | （2）（609-224）÷5 |
| =385÷5 | |
| =77 | （3）872-34×15 |
| =872-510 | |
| =362 | |
| （4）225÷3-18 | |
| =75-18 | |
| =57 | （5） 3.9+2.8-1.4 |
| =6.7-1.4 |
=5.3
=2.7+6.5
=9.5
搜题请搜索小程序“爱下问搜题”
脱式计算。
|
| （1）27×14+309 | |
| =378+309 | |
| =687 | （2）（609-224）÷5 |
| =385÷5 | |
| =77 | （3）872-34×15 |
| =872-510 | |
| =362 | |
| （4）225÷3-18 | |
| =75-18 | |
| =57 | （5） 3.9+2.8-1.4 |
| =6.7-1.4 |
=5.3
=2.7+6.5
=9.5