第一题和第三题怎么做?
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/09 20:57:34
第一题和第三题怎么做?
![](http://img.wesiedu.com/upload/8/0f/80f4654df96f1cac6bdd0680cee75d7f.jpg)
![](http://img.wesiedu.com/upload/8/0f/80f4654df96f1cac6bdd0680cee75d7f.jpg)
![第一题和第三题怎么做?](/uploads/image/z/16470106-34-6.jpg?t=%E7%AC%AC%E4%B8%80%E9%A2%98%E5%92%8C%E7%AC%AC%E4%B8%89%E9%A2%98%E6%80%8E%E4%B9%88%E5%81%9A%3F)
=175+405X25
=175+10125
=10300
(3)
=3/7 *6/5+24/35
=18/35+24/35
=42/35
=6/5
再问: 确定?
=175+10125
=10300
(3)
=3/7 *6/5+24/35
=18/35+24/35
=42/35
=6/5
再问: 确定?