正确的答案应该是$.40.

来源: WSLama 于 2012-12-18 20:14:47 [] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: option 考题答案 由 Mom2016 于 2012-12-18 19:59:04

所有跟帖： 

• Honestly, there is no正确的答案, even has two formulas to calculate -cyberbug- ♂ 给 cyberbug 发送悄悄话 cyberbug 的博客首页 (0 bytes) () 12/18/2012 postreply 20:16:35

• if before the move, delta is .52, then after the $2 move -WSLama- ♂ 给 WSLama 发送悄悄话 (100 bytes) () 12/18/2012 postreply 20:21:13

• it's like driving from a to b with constant acceleration, -WSLama- ♂ 给 WSLama 发送悄悄话 (67 bytes) () 12/18/2012 postreply 20:28:37

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