twenty books means in arabic === عِشْرونَ كِتاباً (3ishruuna kitaabn)
Yes that is correct
you are arabian??
OK, Are you from Algeria
Oh sorry!! Yes i am algerian!
I expected that and I am omani .....B)..k
Oh how did you expected that??
you're from Oman nice!! Good luck!
In arabic you add different case and grammatical number, depending on the quantity:
1 + singular;
2 + dual;
3-10 + plural (in II case);
11 and more + singular (in III case)