Cau hoi 10:Tinh khoang cach d tur elip (E). 4x^3+9y^2-72=[15] n dueng thang (D): 2x -3y +38=0. A d=√(13)C Bd=3 C d=2√(13) D d=√(73)t2 E. cat dap so tren deu sai. 相关知识点: 试题来源: 解析 C
百度试题 结果1 题目Cau 31: Tinh so cach rut ra dong thoi hai con bai tu co bai tu lo kho 52 con. A.26. B. 2652. C.1326. D. 104. 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Tinh khoang cach giua 2 diem : C(2:-3) va D(-4;5) B A. CD=5 B. CD=10 C. CD =4 D. CD =8 E. Cac dap so tren deu sai 相关知识点: 试题来源: 解析 B 反馈 收藏
Tinh Lo Cach 情路多远-越南妹指弹 是在优酷播出的音乐高清视频,于2013-10-18 19:31:38上线。视频内容简介:Tinh Lo Cach 情路多远-越南妹指弹
号Cau 142Tinh I =2r + 1) sin rdr bang cach dat u = 2r +1. du = sin rdr thì I bang C之 A. (2r +1) cos r22cos rdr. B. (2x +1)cosr+2cos rdr.002 C. -(2r + 1) cos x2cos rdr. D. -(2x + 1) cos r+2cos rdr.0lo0 相关知识点: 试题来源: 解析...
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题目Cau 8. Cho biet cach tinh dung là: A A. 2^2.2^3=2^5 . B. 2^2.2^3=2^6 . C.2^2.2^3=4^6 . D. 2^2.2^3=4^5 . 相关知识点: 试题来源: 解析 ACâu 8. Đáp án A.Cách tính đúng là: 2^2⋅2^3=2^(2+3)=2^5. 反馈 收藏 ...
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Tinh mot cach hop li:a)2021+2022+2023+2024+2025+2026+2027+2028+2029;b)30.40. 50. 60. 相关知识点: 试题来源: 解析 http://gallery.fbcontent.cn/latex?decode=false&latex=%24%24%5Cbegin%7Baligned%7D%20%26amp%3B%20%5Ctext%20%7B%20a)%20%7D%202021%2B2022%2B2023%2B2024%2B2025%2B2026...
解析 a) 2021+2022+2023+2020+2020+202+202+202+202+202+202+202+202+202+202+202+202+202+202=(2021+2029)+(2022+2028)+(2023+2021)+(2029)+2022020=4050+4050+4050+4050+2025=4050.4+2025=16200+2025=18225b) 30.40.50.60=(30.60)⋅(40.50)=1800.2000=3600000 ...