Mathematics
Junior High
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この式どこが違いますか？答えはt=4.6だったです。
(t-12) - —— ±²
41
8
2
4
2/2t2
3 t
七-12-12/21t2
++2
=6t
1/12t2-bt=0
t-12-1/2t2
-122-6t+t-12=0
-st-5t-12=0
+2+10t+24=0
(+-2)(++12)=0
(++4) (t+6)=0
-4,6
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私の方が間違えてました。ごめんなさいありがとうございます！