It is Tri ar ddeg/ un deg tri (masc.) or
Tair ar ddeg/ un deg tair (fem.)
cloc
fformiwla
mathemateg
well in welsh they dont like to say days of the week they prefer to say a quick phrase such as my week days are cool or is my postman fat pat?
13 = XIII
Tri deg un oed
"You are Welsh" = Rwyt ti'n Gymreig
'Our Friends' in Welsh is 'Ffrindiau Ni' :)
To say "your house" in Welsh, you would say "eich tŷ".
Cymraeg
No in Welsh is dim.
"y diwedd" is how you say it in Welsh language.
Dw i'n un deg tri oed...................Say 'dween een deg tree oyd'
In Welsh, you would say "Rwy'n cytuno" to say "I agree."
Draig Gymreig
You can say "it's nice" in Welsh as "mae'n braf."
Great > [Welsh] mawr