Các câu hỏi tương tự
tim mot so co 2 chu so. biet chu so hang chuc>chu so hang don vi la 2 neu lay so do chia tong chu so cua no dc 6 du 1
Cho 1 so co 2 chu so. Biet rang so do gap 7 la chu so hang don vi neu chia so do cho chu so hang chuc cua no duoc thuong la 11 du 2. Tim so da cho.
Cac ban oi cho minh hoi
Hom truoc minh thi Casio de bai yeu cau 5 chu so phan thap phan nhung do khong de y nen minh k doc va ghi het keu qua may tinh hien ra thi co bi sao khong a!
Mong cac ban tra loi minh
tim so tu nhien co hai chu so .Biet rang tong cac chu so bang 6 va neu them vao so don vi thi duoc mot so cung viet bang cac chu so do nhung theo thu tu nguoc lai
Tim so tu nhien co 2 chu so biet rang chu so hang chuc lon hon chu so hang don vi la 2 va so do lon hon tong cac binh phuong cac chu so cua no la 1.
giai giup em bai nay cai ;(m-4)x^2-2mx+m-2=0
a, tim m de pt co nghiem x=can2.tim nghien con lai
b ,tim m de pt 2 co nghien phan biet
Cho p.t bac hai an x, tham so m: x2 - 2(m + 1)x + m2 - 1 = 0
a/ Tinh gia tri cua m de p.t co 2 nghiem phan biet
b/ Gia su p.t co 2 nghiem x1, x2 thoa man dieu kien x1 + x2 + x1x2 = 1. Tim gia tri cua m
P/s: giai giup minh nha. May ko nhan dau dc thong cam nha :>
a) Tim so du cua phep chia: 2011109 + 201267 + 6789123456789 cho 57.
b) Tim ba chu so tan cung cua 2009200920092009 + 2011201120112011 -2013
Cac ban ui, giup minh bai nay voi!
Cho hinh thang ABCD ( AB // CD ). Goc C = 36*, goc D = 50*. Biet AB=4cm, AC=6cm. Tinh chu vi hinh thang.
MInh cam on nhe! Minh chi biet la dung ti so luong giac cua goc nhon thui ( sin, cos, tg, cotg )!