Mongge
Exercises
Collections
Editor
Català
English
Español
Euskera
Italiano
Sign in
Sign up
Sign up
lamina 3 (2)
Carme_Castelao
3/17/20
1,281
Follow
Answer
Solution
r2=s2
r1
s1
r2
r1
s2
s1
s2
s1
r2
r1
URL of the exercise
Embed code