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tinh so tu nhien x va so nguyen y sao cho 2016^x+35=y^2
tinh so tu nhien x va so nguyen y sao cho 2016^x+35=y^2
cho hai so tu nhien x va y thoa man 2^x+1*3^y=12^x khi do x+y=
ai giup dau tien cho 2 like
Cho hai so tu nhien x va y thoa man 2x+1.3y=12x
khi do x+y= ?
tim so tu nhien n sao cho x*y+x va x*y+y la so chinh phuong.cac ban lamf minh cho 1 tick chi coan dua ra dap an thoi
c1: Tap hop cac gia tri nguyen cua x thoa man \(\left(x+\frac{5}{4}\right)\left(x-\frac{19}{7}\right)\)<0
c2: Neu x,y la cac so nguyen thoa man 2xy+4y=6 thi y co the nhan nhung gia tri nam trong tap hop nao
c3: tim 3 so x,y,z biet x+y=8,x+z=10,y+z=12
C4: Gia tri cua x thoa man (x+3)^2=25 va x^3>0 la x=
tap hop cac so tu nhien n de S= 8n+193/4n+3 la so tu nhien
cho x,y la cac so tu nhien khac 0 tim gia tri nho nhat cua A=|36^x-5^y|
Cau 1; cho\(\frac{x}{2}=\frac{y}{5}\)vaxy=90. So cap (x;y) thoa man la
Cau 2 : Cho a+d=b+c va \(a^2+d^2=b^2+c^2\)(b,d khac 0).Khi do 4 so lap thanh ti le thuc nao
Cau 3 :GTLN cua phan so \(\frac{7n-8}{2n-3}\)
Cau 4: Cho A=\(\frac{12}{x-15}\) dieu kien de 0<A<1 va A>1
Cau 5 ; tim x biet /-x-5//x=5=10
Cau 6: tap hop cac so nguyen cua x thoa man (3x^2-51)^2014=(-24)^2014
Cau 7: tap hop cac so thoa man /x-y/+/y+9/25/=0
