Kɛ jɛn rɛy runi̱ tëë nhiam kɛ pek ɛ thia̱k, mɛthematikni cua tok kɛ kämdɛ raar ɛ la ka̱th mi̱ pɛ̈thkɛ rɛy Wɛthɛrɛn Yurɔp.