Các câu hỏi tương tự
tim so nguyen x biet x+5-6+8-9+3-5+9-10=9
Tim tong cac so x biet:(x+6).(x-9)=0
tim x,y biet
(x-5).(y+1) =6
(x-5) .(x2.9) =0
Tim x thuoc Z biet:
a,(10 - x)^2 / 3+3= -9
b,|x-6| *7-(-2)^2= -8+39
Tim x biet 2.3x+2+3x+1+3x-1=26.92
tim x biet: |x-9|+x-9=0
Tim x biet: x+1/1+2x+3/3+3x+5/5+...............+20x+39/9=22+4/3+6/5+................+40/39
a, tim x€Z biet (x-6) chia het cho (x-5)
b, tim x€Z, y€Z biet (x-1).(xy-5)=5
tim x biet : 34x-2-50=29/26