Juliette's website
Name
1 Girls
Development
At ten, Juliette drew 2 little girls.
She started the website with the help of her 3.
At first, there were only some simple pictures on the website.
Now, it has message boards, chat rooms, 4 , music and more.
Aim(目的)
To help the girls learn more about cultures,5 and become better.
已知:⊙O为Rt△ABC的外接圆,点D在边AC上,AD=AO;
(1)如图1,若弦BE∥OD,求证:OD=BE;
(2)如图2,点F在边BC上,BF=BO,若OD=22,OF=3,求⊙O的直径.
下列有关酶的叙述中,正确的是
621 + 121 = 2- 14 = 89 - 23 = 27 + 47 + 17 =
910 + 110 = 35 + 13 = 716 + 332 = 2425 - 1325 - 625 =