当x→0时,x-sin x是x的( )。 A.高阶无穷小 B.等价无穷小 C.同 发布时间:2017-12-27 21:02 │ 来源:www.tikuol.com 题型:单项选择题 问题: 当x→0时,x-sin x是x的( )。A.高阶无穷小 B.等价无穷小C.同阶无穷小,但不是等价无穷小 D.低阶无穷小
题型:单项选择题 He_____his computer last year. I _____ my computer for over ten years. It still works OK.A.bought ,have boughtB.have bought , boughtC.bought, have hadD.have had, bought 查看答案
题型:单项选择题 直接写出得数.4.5+0.76=1-0.01=0.54-0.5=6.5-5.6=10-4.28=4.8+2=0.24+0.6=1.7+0.3=37.8-16.4-13.6=1.8+0.2-1.8+0.2= 查看答案