猜你喜欢
- 1甲数是m,比乙数少0.5,甲、乙两数的和是_.
- 2甲烷到丁烷化学式
- 3粘性土与无粘性土?
- 4如图,AB为⊙O的直径,BC为⊙O的切线,AC交⊙O于点E,D为AC上一点,∠AOD=∠C. (1)求证:OD⊥AC; (2)若AE=8,tanA=3/4,求OD的长.
- 5添上适当的运算符号或括号,使等号成立4.2 4.2 4.2 4.2 4.2 =0
- 6一个焦点把长轴分成长度为7和1两段的椭圆方程为?
- 7(-8)的2008次方+(-8)的2007次方能被下列各数整除的是( )
- 8the money is used to help the sick people .(改为主动语态)
- 9they donnot have () homework to do today A some B any C many D a lot
- 10when he finished,we told the family that we would call them in 15 minutes.