简便方法计算各题 4.86×9.9 4.9×1.02
答案:1 悬赏:60 手机版
解决时间 2021-03-05 16:38
- 提问者网友：寂寞梧桐
- 2021-03-04 21:38
简便方法计算各题 4.86×9.9 4.9×1.02
最佳答案
- 五星知识达人网友：污到你湿
- 2021-03-04 23:14
4.86×9.9
=4.86×(10-0.1)
=4.86×10-4.86×0.1
=48.6-0.486
=48.114
4.9×1.02
=4.9×(1+0.02)
=4.9×1+4.9×0.02
=4.9+0.098
=4.998
=4.86×(10-0.1)
=4.86×10-4.86×0.1
=48.6-0.486
=48.114
4.9×1.02
=4.9×(1+0.02)
=4.9×1+4.9×0.02
=4.9+0.098
=4.998
我要举报
如以上问答信息为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！
大家都在看
推荐资讯