Q: Hi my ipad 2 downloads automatically all the apps my daughers download in their mini ipads we use the same apple id please help me

Turn off automatic downloads. Settings>iTunes and App Stores>Automatic Downloads>Apps >Off.

if you look better you will see it, and I have ipad 2 and there, just closes .. That's all

If you are not running iOS 6 - then it is in Settings>Store>Automatic Downloads>Apps>Off. Read more here.

http://support.apple.com/kb/HT4539

Enabling Automatic Downloads on your iPhone, iPad, or iPod touch

1. Tap Settings > Store on your device.
2. Tap Sign In if you're not already signed in to the iTunes Store.
3. Enter your Apple ID and password.
4. Tap On/Off switch to enable or disable Automatic Downloads for each content type.