10=15t-5t^2

来源：学生作业帮助网编辑：六六作业网时间：2024/08/27 00:17:23

10=15t-5t^210=15t-5t^210=15t-5t^2你好!10=15t-5t^22=3t-t^2t^2-3t+2=0(t-1)(t-2)=0t=1或者t=2祝你学习进步O(∩_∩)O哈!

10=15t-5t^2
10=15t-5t^2

10=15t-5t^2
你好!
10=15t-5t^2
2=3t-t^2
t^2-3t+2=0
(t-1)(t-2)=0
t=1
或者
t=2
祝你学习进步O(∩_∩)O哈!