a) (+) l 2 -x l = 2 - x khi x>=2 ta có
x+ 2 - x= 6
0x = 4 (laoij)
(+) l 2 -x l = x- 2 khi x>=2 ta có :
x+ x- 2 = 6
2x = 8
x = 4
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a) (+) l 2 -x l = 2 - x khi x>=2 ta có
x+ 2 - x= 6
0x = 4 (laoij)
(+) l 2 -x l = x- 2 khi x>=2 ta có :
x+ x- 2 = 6
2x = 8
x = 4
tìm x thuoc Z biet :
a) x + I2-xI = 6
b) x^2 + y^2 = 41
tìm x thuoc Z biet :
a) x + I2-xI = 6
b) x^2 + y^2 = 41
tim x,y thuoc z biet
-24/-6 = x/3 = 4/y^2 = z^3/-2
tìm x y z thuoc z biet 52/9 = 5+1/x+1/y+1/2
tìm x thuoc Z biet :
a) x +|2-x| = 6
b) x2 + y2 = 41
tìm x thuoc Z biet :
a) x +|2-x| = 6
b) x2 + y2 = 41
tim x,y,z thuoc Z biet /2x-4/+/y+2/+/2x+3y-z/=0
tim x , y thuoc Z biet
a , 3x-xy+6y=4
b,x^2-3xy=2x-6y=7
Tim x, y thuoc Z biet : | x-2| + (x-y+1)^2 =0