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

來源: 綠蘋果園 於 2010-01-17 23:58:46 [] [舊帖] [給我悄悄話] 閱讀數 : (458 bytes)
本帖於 2010-04-08 17:50:51 時間, 由版主 於德利 編輯

Why 3rd grade math? Maybe because the "only" operator needed here is addition:


1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
5 10 10 5
15 20 15
35 35
70

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• 回複：回複：My daughter's 3rd grade math. Need help... -JIAYANGGUIZI2- ♂ 給 JIAYANGGUIZI2 發送悄悄話 (104 bytes) () 01/18/2010 postreply 08:13:58

• 回複：回複：回複：My daughter's 3rd grade math. Need help... -Jinjing- ♀ 給 Jinjing 發送悄悄話 (332 bytes) () 01/18/2010 postreply 10:28:05

• 回複：回複：回複：回複：My daughter's 3rd grade math. Need help... -JIAYANGGUIZI2- ♂ 給 JIAYANGGUIZI2 發送悄悄話 (137 bytes) () 01/18/2010 postreply 10:45:37

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