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一个平行四边形的高是15分米,底比高少
1
3
,这个平行四边形的面积是____平方分米.
上一题 下一题 0.0难度 选择题 更新时间:2015-11-05 02:44:48

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150

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下列溶液中微粒浓度关系一定正确的是      (   )

同类题2

―What    your English teacher doing now?  
―He _____ a newspaper.

同类题3

阅读理解

    Today is Saturday. It's seven o' clock in the evening now. Jack's family are busy.

    Jack is in his room. There are some clothes on his bed. He is looking for his blue T-shirt. At eight, he will (将) have dinner with his friends at a restaurant. Jack's sister, Ann, is watching TV. Volleyball (排球) is her favourite sport and she often plays it with her friends at weekends. Volleyball tickets are expensive so she often watches volleyball matches on TV.

    Where are Jack's parents? Oh, his father is searching for some information about Hainan on the Internet. He will drive to Hainan with his manager tomorrow. Jack's mother is doing some washing. Oh, where are Jack's grandparents? They are in the park. Jack's grandfather is walking with the dog. Jack's grandmother is dancing (跳舞) there.

同类题4

已知⊙O1与⊙O2外切,O1O2=8cm,⊙O1的半径为5cm,则⊙O2的半径是(   )

同类题5

冰在熔化成水的过程中,下列判断正确的是(   )
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