引用:
原帖由 ccpaging 于 2008-9-14 10:48 发表 ![\"\"](\"http://ww123.net/baby/images/common/back.gif\")
I have ducks and hens. There are one hundred and twenty two.
Now new ducks come in, but kick hens out. And then only fifty six added in.
我现在卡在最后一句话上，（And then only fifty six added i ...
希望楼上这位爸爸能多上来交流经验。以前也听人说数学是一门有趣的学科，要让孩子学得有趣，这对家长的能力考验实在太大了。数学是我最大的弱项，希望能多看到您的帖子，受些启发。。。谢谢！
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