Mongge
Exercises
Collections
Editor
Català
English
Español
Euskera
Italiano
Sign in
Sign up
Sign up
ombra_segmento_orizzont_su_piano_vertic
giackam
3/28/19
1,301
Follow
Answer
Solution
}
}
}
}
P
Q
P'
Q'
x
y
z
r
r'
URL of the exercise
Embed code
