Các câu hỏi tương tự
Cho truoc diem a va duong thang d di qua diem a ve 2018 duong thang phan biet . goi x la so duong thang vuong goc voi d, y la so duong thang khong vuong goc void trong 2018 duong thang da cho..
Tim gia tri nguyen lon nhat cua x, y
Tim gia tri nguyen nho nhat cua x,y
tim cac cap so nguyen duong nguyen to cung nhau sao cho: (x+y)/(x^2+y^2)=7/25
tim x nguyen duong biet 1/x(x+3)+1/(x+3)(x+6)=3/8
tim cac cap so nguyen duong nguyen to cung nhau sao cho: (x+y)/(x^2+y^2)=7/25
mk can gap lam
tim so nguyen duong x,y,z biet:
\(\frac{1}{x}\)+\(\frac{1}{y}\)+\(\frac{1}{z}\)=1
tim so nguyen duong x,y thoa man : x^2=1!+2!+3!+....+y!
Tim x,y la so nguyen
a) 2x-3y+5= xy
b) x mu 2 +2xy+2x+4y
B2 Tim x,y la so nguyen to
x mu 2 -2y mu 2 =1
B3 Tim so tu nhienx,y
7 .(x-2004) mu 2 = 23- y mu 2
Tim (x,y) nguyen biet a) x + y = x : y = xy b) 2x + 3y + 3xy = 7
tim x,y,z nguyen duong sao cho
1+4.3^x+4.3^y=z^2