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箱别晁孥技敍亶誕教學 一窿嬖号嬪
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不能用计算器
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婿好用笔算
一万
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一尸
J
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这个X应该加上
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你又偷看书
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老师我j逐里不去懂
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把X代入这里
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就是二次方了吧 .
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怎么样,都算出来了吗
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我懂了
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都懂了吗
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51的第3题,谁来解这题
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健太,你来解
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大家都解出来了吗
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解出来了
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扌小么
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到时间了吗 扌小今天就至41皂口巴