so nguyen duong x thoa man la ? biet x/9<7/x<x/6
GIUP MIK NHA
Mik se tk cho ai ma giai dung
(nho la giai chi tiet ra nhe)
4/x=5-2y/3
tim cac cap so nguyen (x,y). thoa man
giup mik voi de thi thu day ai giup dc thi mik tik cho
so cap x;y nguyen thoa man x>y va x/5=7/y la giup mik nhe mik tik cho !
CMR 9^2n - 6 có chia hết cho 9
Giup mik voi mik dang can
Loi giai chi tiet nha
Ai nhanh mik tik cho
Cho x,y,z la 3 so nguyen duong, nguye to cung nhau thoa man (x-z)(y-z)=z^2. Chung minh tich xyz la so chinh phuong
Giai nhanh jum mik nha dg can gap
Tìm GTNN:
I17+xI+Ix+14I
Ix-1I+Ix+2I+5
giai chi tiet mik tick cho!Nhanh lên nhé!
Mình cần gấp lắm !Ai lam nhanh nhat mik tick cho
giup mik voi cac ban
1,tim 2chu so tan cung cua : S =2015 + 20152 + .............+20152015
2,so sanh 19920 va 2003 15
mik dang can gap gap lam , mik se tik cho cac ban
cac cau giai chi tiet giup mik voi
mik dang can gap
Cho a,b,c la cac so nguyen duong.CMR: P=a/a+b + b/b+c + c/a+c khong la 1 so nguyen (dau "/" la dau gach phan so nhe) GIUP MIK VS MIK DANG CAN GAP BN NAO GIAI DC MIK TICK NHA! help me