2⼀3(2t-6)-1⼀2(2t-4)=4过程写来一下,谢谢

2024-12-20 13:40:23
推荐回答(1个)
回答1:

是2/3×2(t-3)-1/2×2(t-2)=4 (1)还是2/(6t-18)-1/(4t-8)=4 (2)?
解(1):
t/3=6
t=18
解(2):
当t不为2且t不为3时,两边乘以(t-2)(t-3)
(t-2)/3-(t-3)/4=4(t-2)(t-3)
整理:4t^2-20t+6=t/12-1/12
48t^2-241t+73=0
解得:t=44065^0.5/96+241/96或 241/96 - 44065^0.5/96