Các câu hỏi tương tự
a, Tim x biet:/x-2/+/3-2x/=2x+1
b, Tim x,y thuoc Z biet:xy+2x-y=5
c, tim x,y,z, biet :2x=3y;4y=5zva 4x-3y+5z=7
Tìm x, biết: |2x+4,5|-|x-2,7|=0
tìm x biết |2x+4,5|-|x-2,7|=0
Tim x,y,z biet: a,(3x−2y)6+(y−5z)8+|z−2|0(3x−2y)6+(y−5z)8+|z−2|0 b,3x−2y42x−4z3y−3z23x−2y42x−4z3y−3z2va x+y+z990Gấp gấp gấp!Tim x,y,z biet: a,(3x−2y)6+(y−5z)8+|z−2|0(3x−2y)6+(y−5z)8+|z−2|0 b,3x−2y42x−4z3y−3z23x−2y42x−4z3y−3z2va x+y+z990Gấp gấp gấp!
Đọc tiếp
Tim x,y,z biet: a,(3x−2y)6+(y−5z)8+|z−2|=0(3x−2y)6+(y−5z)8+|z−2|=0
b,3x−2y4=2x−4z3=y−3z23x−2y4=2x−4z3=y−3z2va x+y+z=990
Gấp gấp gấp!
Tim x,y,z biet: a,(3x−2y)6+(y−5z)8+|z−2|=0(3x−2y)6+(y−5z)8+|z−2|=0
b,3x−2y4=2x−4z3=y−3z23x−2y4=2x−4z3=y−3z2va x+y+z=990
Gấp gấp gấp!
Tim x biet
a /x/=2 1/2
b /x+1/=3 1/3
c 2×/×-2/=0
d 1,5-3×/x+1/
e 2×/3-2x/-4,5=/-2,5/
Xem chi tiết
Tim x,y,z biet :x/10 =y/7=z/23 va 2x+y-z =12
tim x y z biet 2x=3y=4z va x+y+z=60
1, tìm x biết:
a, |2,7-x|=|-0,3|
b,12/5 -|x+1,5|=0
c,2.|2x-3|=1/2
d, 7,5-3.|5-2x|=-4,5
e, |3x-4|+|3y+15|=0
ê, |x-y|+ |y+9/25|=0
Tim x, y, z biet x, y, z > 0 , x-y/z = y-z/x = z-x/y va x+2y+3z=30