Did you mean math? Don't recognize the word "Maith".
Math is Matemática in portuguese...
Go raibh maith agat (singular) Go raibh maith agaibh (plural)
"Is maith liom London" means "I like London"
Is maith liom means I like. You like would be Is maith leat.
"An maith leat .......?" (to one person). "An maith libh ....?" (plural).
"I like it" is "Is maith liom é". [iss mohl yum ae]
"Táim go maith, go raibh maith agat, Agus tusa tráthnóna sin" means "I'm grand, thank you, And you that evening"
Lá ar dóigh agat (singular) / Lá ar dóigh agaibh (plural)lá maith agat (singular)lá maith agaibh (plural)Bíodh la maith agat
Is maith liom a bí ag damhsa. (Iss ma lum a bee egg dowsa).
"tú féin chomh maith" means "yourself as good"
irish: comhluadar maith agus caife maith
means you are good (or well); but it's "Tá tú go maith"."Ta you go maith" is obviously from google translator; when it doesn't know the word it leaves it in English.
maith