回复：三年级的数学怎么回答？

来源: calligraphy 于 2012-11-19 17:44:24 [] [旧帖] [给我悄悄话] 阅读数 : (142 bytes)
回答: 三年级的数学怎么回答？ 由 jj33p 于 2012-11-19 16:54:46

6+4=10 is not divisible by 9. so 64 is not the product 9 and 7.

very weird. 7x9=63. of course it is not the product of 9 and 7.

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