回複：回複：My daughter's 3rd grade math. Need help...

jinjing · 2010-01-17 21:02:07Z

回複：回複：My daughter's 3rd grade math. Need help...簡介

來源: jinjing 於 2010-01-17 21:02:07 [檔案] [舊帖] [給我悄悄話] 本文已被閱讀：次 (43 bytes)

本文內容已被 [ jinjing ] 在 2010-04-08 17:50:51 編輯過。如有問題，請報告版主或論壇管理刪除.

回答: My daughter's 3rd grade math. Need help... 由 JIAYANGGUIZI2 於 2010-01-17 18:40:17

72.It is too difficult for child.8!/(4!*4!)

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