2011×(2009/2010)
=(2010+1)×2009/2010
=2009+2009/2010
=2009又2009/2010
猜你喜欢
- 1_ _ _ _ father often read newspapers?
- 2Where there is a will,there is a ( ) 请在括号中填一个单词、、 这个是一句谚语、中文意思也要、
- 310.______Helen____________(wash )clothes?Yes,she is.用所给动词的正确形式填空!
- 4某同学用实验测定水的组成,用氢气充分还原20克氧化铜生成16克铜和4.5克水.问:(2)水中氢元素的质量为多少?
- 5两条平行直线间的距离
- 6The book on the desk
- 73年级上册语文23课小兴安岭,冬天的小兴安岭是个美丽的季节,问 怎么修改病句
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- 9The food in the fridge ()(go) bad .It smells ()(terrible)
- 10Dish is done ,she begged her wife not to sweep the floor 这句话正确么?是独立主格结构么?