x x xx x x = = = 2 5 2(5) 10 10 x x x x x x = = = 3 5 7 3 3
x =3y
x = -b ± – 4ac 2a b2
X = ( x1 x2 ) = (3+2x x2 ) = (30)+x 2 ·( 2 1) X = x1 x2 x3 = 5+2x2
x < 5 - WeberTube
x 3 + 3x 4 = 2
x 2 - Net Start Class
x 2
x 2
x 2
X - 陳光琦
x - TWiki
x - Tutor-Homework.com
x - TeacherWeb
x - TeacherPage.com
X - studyfruit
X - ShawTLR.Net
x - SCHOOLinSITES
x - Scarsdale Schools
x - Savannah State University
