猜你喜欢
- 1It takes (half an hour )to walk to school( 提问) ( ) ( ) ( )it take to walk to school
- 2求函数y=sin(x+20)-cos(x+50)最大值
- 3(tanx+cotx)cosX平方=
- 4两个数相除,商是48,余数是18,被除数最小?
- 5已知函数f(x)=[1+根号2cos(2x-π/4)]/sin(x+π/2),①求f(x)的定义域,②若∠a在第一象限且cosa=3/5,求f(a)
- 6用给出单词的适当形式填空
- 7They ____a village and lived there.A.arrived at B.left for 为什么?
- 8七分之一加x等于八分之三
- 9当局者迷,旁观者清出自诗句
- 10求函数y=2sin(2x+π/3)(-π/6≤x≤π/6)的最大值和最小值、