7.84%/12怎么算啊?等于多少?
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:2024/06/23 23:39:03
7.84%/12怎么算啊?等于多少?
![7.84%/12怎么算啊?等于多少?](/uploads/image/z/7632463-31-3.jpg?t=7.84%25%2F12%E6%80%8E%E4%B9%88%E7%AE%97%E5%95%8A%3F%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F)
7.84%/12
=784/10000 x 【1/12】
=784/【10000x12 】
=【800-16】/【10000x12 】
=800/【10000x12 】-16/【10000x12 】
=8/【100x12 】- 4/【10000x3 】
=2/【100x3】- 1/【2500x3 】
=1/【50x3】- 1/【2500x3 】
=1/150 - 1/7500
=1*50 /150*50 - 1/7500
=49/7500
=784/10000 x 【1/12】
=784/【10000x12 】
=【800-16】/【10000x12 】
=800/【10000x12 】-16/【10000x12 】
=8/【100x12 】- 4/【10000x3 】
=2/【100x3】- 1/【2500x3 】
=1/【50x3】- 1/【2500x3 】
=1/150 - 1/7500
=1*50 /150*50 - 1/7500
=49/7500