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
tìm x thuoc Z biet :
a) x +|2-x| = 6
b) x2 + y2 = 41
cho a thuoc z biet :
a cong x bang 5
a - x bang 2
tim a,b thuoc z biet :
a công x bằng b
a trừ x bằng b
tìm x thuoc Z biet :
a) x + I2-xI = 6
b) x^2 + y^2 = 4
tìm x y z thuoc z biet 52/9 = 5+1/x+1/y+1/2
tìm x thuoc Z biet
a)5-x+12=4+x+1
b)4x-5+(-15)=3x-10
tìm x thuoc Z biet
a)5-x+12=4+x+1
b)4x-5+(-15)=3x-10
cho a thuoc Z Tìm so nguyen x biet
a+x=5
a-x=2