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第十三届小学 全国数学邀请赛 - hopecup.org · 五年级 第1 试 ... 8.有一个三位数,百位数字是最小的质数,十位数字是算式(0.3+π×13) ... 18.某次考试中,11名同学的平均分经四舍五入到小数点后第一位等于85.3,
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