問題詳情
25. 附圖為小明開車作直線運動的速度和時間關係圖，小明6秒內的平均速度為若干？ 
(A) 6.
(B)－1.
(C)－1.
(D) 13.m／s
(A) 6.
(B)－1.
(C)－1.
(D) 13.m／s
參考答案
答案：A
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)
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