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- 3一个等腰三角形的顶角与底角的度数比为2:5,这个三角形的底角是()
- 4how many days () she ()(stay) at home since she came back from school
- 57x平方-根号6x-5=0 x不在根号里,
- 6一袋大米,第一次吃了它的2/5,第二次又吃了它的15%,还剩36千克,这袋大米重( )千克?
- 7My mother is ill. I _______stay at home and look after her.
- 8函数f(x)=cos^2(x)+sin2x的最大值是?
- 9-----I wish I ___the meeting .-----But you didn't .A have attend B had attend
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