题目内容

养牛专业户．
168×4=672（千克）；
答：一个月需要672千克饲料．
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上2×5j&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;
32上+185j&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;&nb3p;
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买3个书架要多少元？买6张桌子要多少元？
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150的6倍是______，84是7的______倍．
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一个因数是36，另一个因数是6，积是______．

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