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- 151又2/3*3/5+71又3/4*4/7+91又4/5*5/9
- 2has got,have got,but,and,4The boy_an e-mail from his pen friend Jane,_he is writing back to her now
- 3当n.前有many、much、few或little修饰词时,其前必须用so而不用such.[这句话对吗?]
- 4parting is for reunion.I will keep our promise to wait谁帮我翻译一下,
- 5在括号里填写合适的词语,使句子完整
- 6一尊大理石人像的体积是质量为50kg的人的2倍,如果大理石的密度是2.7×10³kg/m³,人的密度大约是1×10³kg/m³,可以估算这尊石像的质量为?
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- 8一方石子等于多少吨?
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