全球旧事资料 分类
用配方法解下列方程1x25x-1022x2-4x-10
(3)x24x30
2(4)x3x10
(5)x2
1x102
(6)xx224
(7)x24x15
(8)yy112
(9)x2
11x036
(10)y222y40
1
f配方法1x24x-402x2-4x-40
(3)x23x20
(4)x23x100
(5)x2
2x103
(6)xx412
(7)x24x25
(8)yy328
2
f(9)x2
11x036
(10)y222y40
11(11)x2x063
(12)y223y10
134x24x-10
142x2-4x-10
1(15)x23x202
(16)2x23x60
22x2x103(17)
2xx412(18)3
1(19)x22x104
2(x3)(4x3)90(20)
3
f4
fr
好听全球资料 返回顶部