同意你儿子的观点： 用加法 !!

Mr. Harmen graded 56 papers Monday and (graded) 87 papers Wednesday. How many papers did Mr. Harmen grade in the two (M and W) days?

所有跟帖： 

• 用加法 -不加分析- ♀ (0 bytes) () 12/14/2008 postreply 18:48:29

• 不加分析 ? -莫明其妙- ♂ (0 bytes) () 12/14/2008 postreply 18:56:14

• 莫名其妙? -不加分析- ♀ (0 bytes) () 12/14/2008 postreply 18:58:40

• 那两天不会是T和W吗？ -千里一盏灯- ♂ (86 bytes) () 12/14/2008 postreply 19:09:39

• 如果孩子三年纪以下,你就做错了. -不加分析- ♀ (0 bytes) () 12/14/2008 postreply 19:13:33

• hahaha.... -月半婆婆- ♀ (0 bytes) () 12/14/2008 postreply 19:50:31

• LZ 的英文需要跟儿子回炉 -itisjustright- ♂ (273 bytes) () 12/14/2008 postreply 22:58:14