\(a,\frac{x}{3}=\frac{7}{y}\)
\(\Rightarrow x\cdot y=3\cdot7\)
\(\Rightarrow x\cdot y=21\)
\(\Rightarrow x;y\inƯ\left(21\right)=\left\{\pm1;\pm21;\pm3;\pm7\right\}\)
tim cac so nguyen x,y,z biet :-6/12=x/8=-7/y=z/-18
1. tim cac cap so nguyen duong (x, y) sao cho:
2 x3 + xy = 11
2. tim cac cap so nguyen duong (x, y, z)sao cho:
x + y + z = x*y*z
3. tim x thuoc z, biet;
|x| = -2003
|x| = |-2003|
minh dang can gap lam. chieu mai phai nop rui
1}tim cac so nguyen x,y,z biet
x/5=-12/50
2/y=11/-66
-3/6=x/-2= -18/y=-z/24
các bạn ơi dấu / biểu thị cho phần nha giúp mk vs
BAI 1 : TIM TAT CA CAC SO TU NHIEN x , y SAO CHO : ( 2x + 1 ) . ( y - 5 ) = 12
BAI 2: a ) TIM SO NGUYEN x VA y, BIET : xy - x + 2y = 3
b) CO SO TU NHIEN NAO MA CHIA CHO 18 DU 12 , CON CHIA CHO 6 THI DU 2 KHONG ?
tim cac so nguyen x,y,z biet y^2=y-1; x^2=x-1; z^2=z-1
1,tim cac so nguyen x,y biet: -2/x=y/3 va x<0<y
2, Tim cac so nguyen x,y biet:x-3/y-2=3/2 va x-y=4
tim cac so nguyen x,y biet :
a) (x-1).(y+2)=7
b) x(y-3)=-12
c) (x-3)(y-3)=9
cac ban lam het ra cho minh nha,mk se tick cho!
tim cac so nguyen x, y biet
a)x/y=-3/11
b)x/y-1=5/-19
Tim cac so nguyen x,y biet
a,(x-1)(y+2)=5
b,x(y-3=--2
