Các câu hỏi tương tự
tim cac so x,y,z biet x -1 phan 2 bang y cong 3 phan 4 bang z-5 phan 6 va 5z - 5x - 4y bang 50
TIM X BIET :
X PHAN 10=Y PHAN 5;Y PHAN 2 =Z PHAN 3 VA 2X -3Y +4Z=330
CHI MIHK NHA THANK NHIEU LM
tim phan nguyen cua x , biet : [ x - 2/3 ] = x
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
Tim x biet
x/(-15)=-6/x
/ la phan so nha
Cho don thuc A=(-2xy)-4/5x^2y^3 a,Thu gon don thuc tren ,cho biet phan he so va phan bien ,tim bac cua don thuc b,Tinh gia trim cua don thuc tai x=1,y=-1
Cho don thuc A=(-2xy)-4/5x^2y^3 a,Thu gon don thuc tren ,cho biet phan he so va phan bien ,tim bac cua don thuc b,Tinh gia trim cua don thuc tai x=1,y=-1
tim ti so x phan y biet rang 2x-yphanx+y=2phan3
Tim x va y
X phan 3 bang y phan 4 va x nhan y bang 48