Pam is very busy and she doesn’t have a lot of time to spend on her hair,and() 书上答案是:so it is with Ann,为什么不是so does或so is Ann?涉及什么语法知识点?1、若-1<a<b<2,则2a-b的范围是?2、已知a∈R,比较
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![Pam is very busy and she doesn’t have a lot of time to spend on her hair,and() 书上答案是:so it is with Ann,为什么不是so does或so is Ann?涉及什么语法知识点?1、若-1<a<b<2,则2a-b的范围是?2、已知a∈R,比较](/uploads/image/z/6749201-65-1.jpg?t=Pam+is+very+busy+and+she+doesn%E2%80%99t+have+a+lot+of+time+to+spend+on+her+hair%2Cand%EF%BC%88%EF%BC%89+%E4%B9%A6%E4%B8%8A%E7%AD%94%E6%A1%88%E6%98%AF%EF%BC%9Aso+it+is+with+Ann%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E6%98%AFso+does%E6%88%96so+is+Ann%3F%E6%B6%89%E5%8F%8A%E4%BB%80%E4%B9%88%E8%AF%AD%E6%B3%95%E7%9F%A5%E8%AF%86%E7%82%B9%3F1%E3%80%81%E8%8B%A5-1%EF%BC%9Ca%EF%BC%9Cb%EF%BC%9C2%2C%E5%88%992a-b%E7%9A%84%E8%8C%83%E5%9B%B4%E6%98%AF%3F2%E3%80%81%E5%B7%B2%E7%9F%A5a%E2%88%88R%2C%E6%AF%94%E8%BE%83)
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Pam is very busy and she doesn’t have a lot of time to spend on her hair,and() 书上答案是:so it is with Ann,为什么不是so does或so is Ann?涉及什么语法知识点?1、若-1<a<b<2,则2a-b的范围是?2、已知a∈R,比较
Pam is very busy and she doesn’t have a lot of time to spend on her hair,and() 书上答案是:so it is with Ann,为什么不是so does或so is Ann?涉及什么语法知识点?
1、若-1<a<b<2,则2a-b的范围是?
2、已知a∈R,比较“1+2乘以a的四次方”与“a²+2乘以a的三次方“的大小
Pam is very busy and she doesn’t have a lot of time to spend on her hair,and() 书上答案是:so it is with Ann,为什么不是so does或so is Ann?涉及什么语法知识点?1、若-1<a<b<2,则2a-b的范围是?2、已知a∈R,比较
so does Ann :所以安妮; so is Ann :所以是安妮.
so it is with Ann:所以Pam是与安妮一样.
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第一个题:由于是两个动作一个谓语是is一个是do所以两个一起回答时必须用so it is with 而不能用so does或so is
第二个题:用线性规划a-b<0,-1<a<2,-1<b<2,
设c=2a-b
则b=2a-c
以a为x轴b为y轴建立坐标系 把上面的一一画出来 然后用图来找最大值和最小值。。 这样的话应该明白吧。。 不明白的话 我也没办法 呵...
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第一个题:由于是两个动作一个谓语是is一个是do所以两个一起回答时必须用so it is with 而不能用so does或so is
第二个题:用线性规划a-b<0,-1<a<2,-1<b<2,
设c=2a-b
则b=2a-c
以a为x轴b为y轴建立坐标系 把上面的一一画出来 然后用图来找最大值和最小值。。 这样的话应该明白吧。。 不明白的话 我也没办法 呵呵
第三个题:两式相减因式分解的话(a-1)(a-1)(2a+1)然后你自己讨论吧
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