Question

一道八年级数学几何题，高手进！高分悬赏！

过程详细些，没有学斜率啥的，尽快！

Answer 1

1. 设A（x,x+3),
C(-1,2)->O(0,0)
A(x,x+3) -> D(x+1,x+1)
(x+1)(x+1)=x(x+3)
x = 1, A(1,4),D(2,2)
k = 4

2. A(2,0),B(0,1)
设M（x,k/x),则有C（2x-2,2k/x),D(2x,2k/x - 1)
(2x-2)*2k/x = k
2x-2 = x/2
x = 4/3
k = 8/9
M(4/3,2/3)
C(2/3,4/3)
D(8/3,1/3)