Các câu hỏi tương tự
Tim so tu nhien nho nhat de cac phan so sau toi gian:1/n+3;2/n+4;3/n+5;...2001/n+2003;2002/n+2004
1 tim cac so nguyen x,y biet x/7=6/21 -5/y=20/28 1/2=x/12 x/8=-28/32 3/y=12/24 3/4=15/y 2 viet 3 phan so bang phan so -10/15
chia so 322 thang 2 phan sao cho phan tu nhat va phan thu hai ti le voi 2;5 phan thu nhat va phan thu 3 ti le voi 3 va 5 .Tim a,b,c
Tim so nguyen duong a nho nhat sao cho cac phan so sau dong thoi la cac phan so toi gian :
\(\frac{4}{a+7}=\frac{5}{a+8}=\frac{6}{a+9}=\frac{7}{a+10}=\frac{8}{a+11}=\frac{9}{a+12}\)
minh can fan TFBOYS ai fan TFBOYS ket ban di nhe , cach giai nua , dua nao ghi ket qua thi bien di , ngua mat
tim hai phan so co tu bang 1, mau duong sao cho tong cua 2 phan so cong voi tich cua chung bang 1/2
Ve 1 he truc toa do oxy. Ve duong phan giac cua cac goc phan tu thu nhat va thu ba .
Xem chi tiết
A. Danh dau hai diem c va d tren duong phan gia co ta do lan luot la -2,3 . Tim tung do cua diem a ,b
B. Danh dau hai diem c va d tren duong phan giac co tung do la luot la 1 va -4
1) Tim cac phan so co tu so 11 nam giua -13/2 va -13/3
|x|:(1/11-5/22)+|x|:(1/15-2/3)=- |-3|
cho tam giac ABC co A =70 B=50. Cac tia phan giac cua goc A va goc B cat nhau tai diem Ova cat cac canh BC,AC theo thu tu o E,F
Tinh so do goc AOB
tren canh AB lay diem P sao cho AP=AF. Chung minh OPla tia phan giac cua AOB
c, Chung minh AF+BE=AB
tim 2 phan so co tu la 9 biet gia tri moi phan so do lon hon -11/13 va nho hon -11/15