[填空题]
There are 3 pairs of white co ioncqf(k**e 1loured socks and 4 pairs of red coloureya6. (l c9yar4mat9 e.gqeu8sd socks in a draw. Anne picks one sock fro t 8a l.a.(yr9aqguc6s 4em9yem the draw at random and puts it on. She then picks another sock from the draw at random and puts it on.
1. Complete the following tree diagram.
2.Find the probability that Anne goes for a walk in the socks of the same color.≈