Ryder
2020-09-22T12:42:33+00:00
这个一眼看过去就不对啊[s:ac:哭笑][img]https://img.nga.178.com/attachments/mon_202009/22/-7Q5-5weqK2gT3cSpg-sg.jpg.medium.jpg[/img]
不是，咋还有问有啥不对的...乘法分配率学过吗[s:ac:晕][img]https://img.nga.178.com/attachments/mon_202009/22/-7Q5-8tkzK2iT3cSpg-sg.jpg.medium.jpg[/img]
顺便算了下近似的正确答案，误差不会太小，但应该不会高于20%的误差[s:a2:不明觉厉][img]https://img.nga.178.com/attachments/mon_202009/22/-7Q5-ic4sZdT3cSsg-g0.jpg.medium.jpg[/img]
不是，咋还有问有啥不对的...乘法分配率学过吗[s:ac:晕][img]https://img.nga.178.com/attachments/mon_202009/22/-7Q5-8tkzK2iT3cSpg-sg.jpg.medium.jpg[/img]
顺便算了下近似的正确答案，误差不会太小，但应该不会高于20%的误差[s:a2:不明觉厉][img]https://img.nga.178.com/attachments/mon_202009/22/-7Q5-ic4sZdT3cSsg-g0.jpg.medium.jpg[/img]