Tìm x, y biết:
a) \(\frac{x}{16}=\frac{17}{-8}\)
b) \(\frac{x}{-2}=\frac{-8}{x}\)
c) \(\frac{-5}{-14}=\frac{20}{6-5x}\)
d) \(\frac{7}{17}=\frac{x}{119}=\frac{-35}{y}\)
A.a) x= = - 34 b) x = 4; x = - 4
c) x= = - 10 d) x = 49; y = - 85
B.a) x= = 34 b) x = 4; x = - 4
c) x= = - 20 d) x = 49; y = - 85
C.a) x= = - 34 b) x = 4; x = 14
c) x= = - 10 d) x = 49; y = - 85
D.a) x= = - 34 b) x = 4; x = - 4
c) x= = - 10 d) x = 49; y = - 25
a) \(\frac{x}{16}=\frac{17}{-8}\)
b) \(\frac{x}{-2}=\frac{-8}{x}\)
c) \(\frac{-5}{-14}=\frac{20}{6-5x}\)
d) \(\frac{7}{17}=\frac{x}{119}=\frac{-35}{y}\)
A.a) x= = - 34 b) x = 4; x = - 4
c) x= = - 10 d) x = 49; y = - 85
B.a) x= = 34 b) x = 4; x = - 4
c) x= = - 20 d) x = 49; y = - 85
C.a) x= = - 34 b) x = 4; x = 14
c) x= = - 10 d) x = 49; y = - 85
D.a) x= = - 34 b) x = 4; x = - 4
c) x= = - 10 d) x = 49; y = - 25
Loga
Hóa Học lớp 12
