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- 1一字扩多词填空(不重复)
- 2在一个长20m,宽8m,深1.6m的长方体蓄水池底面和四周贴瓷砖,瓷砖是边长为0.2dm的正方形,共需瓷砖多少块?
- 3Helen learns to dance three times a week.Now she dances______Anita does.A.so good as B.as well as C.as good as D.so well
- 4n是>=1的自然数,求证n与n+1互质
- 5There was a sports meeting last week (用next week 改写)
- 6用60厘米长的铁丝,围成一个长方形,使它的宽是长的3分之2.这个长方形的面积
- 7咏雪的结尾交代了谢道韫的身世是为了暗示什么?
- 8more还可跟 a little a few a lot several 连用 而且名词也是不可数名词
- 9已知B,C是两个定点,绝对值BC=6,且△ABC的周长等于16,求顶点A的轨迹方程
- 10一条铁路,甲队单独俢9天可以完成,乙队单独修十五天可以完成.嗯,如果两队同时休多少天可以完成这条铁路的十五分之三.