猜你喜欢
- 1__she is a student ,she plays the piano___ because they are usually too quiet
- 2一元二次不等式的组的解法,
- 3已知如图:在△ABC中,AB、BC、CA的中点分别是E、F、G,AD是高.求证:∠EDG=∠EFG.
- 4Can you sing and dance?yes,I can.I like ().()是五个字母组成的单词,第三个字母是s.
- 5i want to find friends who can spesk english.can you help me?
- 6发现蕴藏在夏天自然和社会生活中的科学现象
- 7王师傅每小时加工零件80个,与张师傅每小时加工零件个数的比是4:5,如果他们同时合作生产1200个零件,几小时
- 8物体由静止开始做匀加速直线运动,当位移是S时速度为V,则位移是1/3S时速度V’为几
- 9x²+2xy+y²-4x-4y因式分解
- 10已知cosα-sinα=(-根号3)/2,则sinα*cosα的值为