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- 3His father works in a hospital in central Guangzhou(改为同义句)
- 4实验室用锌和稀硫酸制氢气,同时得到硫酸锌,试求19.5克锌与足量酸反应产生氢的质量
- 5work out how much money you need and take enough money with you
- 6英语翻译
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- 8已知y+5与3x+4成正比例,当x=1时,y=2 1.求y与x的函数关系式 2.求当x=-1时的函数值
- 9语文六下的课堂作业本回顾拓展五最后一题咋做?
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