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- 1I hope this e-mail finds you well .See you real soon .Will talk to you later.
- 2如题
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- 5除法竖式符号怎么打
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- 7修一段公路,甲、乙两个工程队修路的比是3:5,甲队修了15km,乙工程队修了多少千米?
- 8X的(20-2r)次方 * 1/√x的r次方 怎么等于:X的{ 20-(5/2的r次方)}
- 9One day an old woman wants to see her son in Paris.When she goes to the small station,she forgets
- 10it is good for us to take exercise every day