畫平行線做乘法的方法?新鮮啊,說來聽聽?
所有跟帖:
• 忘了在哪見過,反正就是畫相互交叉的平行線(根據數字來)。 -HUDIEMI- ♂ (30 bytes) () 08/23/2009 postreply 20:54:50
• 學藝不精的人就是你這樣的,原始出處在這裏…… -niuyear- ♂ (292 bytes) () 08/23/2009 postreply 21:02:32
• 忘了在哪見過,反正就是畫相互交叉的平行線(根據數字來)。 -HUDIEMI- ♂ (30 bytes) () 08/23/2009 postreply 20:54:50
• 學藝不精的人就是你這樣的,原始出處在這裏…… -niuyear- ♂ (292 bytes) () 08/23/2009 postreply 21:02:32
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