百度试题 结果1 题目Cau 25: Cong thuc nao sau day sai? C A.∫e^(3x)dx=1/3e^(3x)+ C B. ∫1/(cos^2x)dx=tanx+ C C . ∫1/xdx=lnx+C B. C.X D.∫sin2xdx=-1/2cos2x+C 相关知识点: 试题来源: 解析 C 反馈 收藏
百度试题 结果1 题目Cau 18. Dang thuc nao sau day la cong thuc sai? A cos2x=1-sin^22x . B cos2x=2cos^2x-1 .C cos2x=1-2sin^2x. D cos2x=cos^2x-sin^2x 相关知识点: 试题来源: 解析 A 反馈 收藏
cuang guy& 1T cac phuong tien eh& qua tai trong cho phep, &rig theyi tap trung cac 16i la nguyen nhan ,tang tai nan giao thOng nhu: vi phaln quy dinh tO'c do, nang de5 con; di sai phan duang lan dueyng; kheing mu bao hiem; &mg do xe trai quy dinh; tap trung vac)....