I'm sorry, but I can't repeat the exact puzzle or brain teaser as it was presented earlier. However, if you provide me with a brief description or key details about the puzzle, I can try to help you with solving it or provide some guidance. **

The solution to the puzzle brain teaser is to move the matchstick from the plus sign to the minus sign to make the equation 545-5=540. This changes the original equation of 545+5=550 to the correct equation of 545-5=540. **

Greek Orthodox and Syrian Orthodox are two separate branches of the Eastern Orthodox Church. The Greek Orthodox Church is one of the oldest Christian denominations, tracing its roots back to the early Christian communities in Greece. The Syrian Orthodox Church, also known as the Syriac Orthodox Church, has its origins in the ancient Christian communities of the Middle East, particularly in Syria and the surrounding regions. Both churches have their own distinct traditions, liturgies, and hierarchies, but they share the same core beliefs and are part of the larger Eastern Orthodox communion. **

The difference between orthodox and ultra-orthodox lies in the level of adherence to traditional religious practices and beliefs within Judaism. Orthodox Jews generally adhere to traditional Jewish law and customs, but may also engage with modern society to varying degrees. Ultra-orthodox Jews, on the other hand, tend to strictly adhere to traditional religious practices and often live in more insular communities, with limited engagement with secular society. Ultra-orthodox Jews also typically place a strong emphasis on Torah study and religious observance. **

Professing the Greek Orthodox creed alone does not automatically make someone Greek Orthodox. Becoming Greek Orthodox typically involves a process of instruction, baptism, and chrismation, as well as a commitment to the teachings and practices of the Greek Orthodox Church. Professing the creed is an important part of this process, but it is not the sole factor in becoming Greek Orthodox. **

No, Orthodox Christians are generally not circumcised. Circumcision is not a common practice in Orthodox Christianity, and it is not considered a religious requirement for Orthodox Christians. Circumcision is more commonly associated with certain other religious and cultural traditions, such as Judaism and Islam. **

Yes, it is generally permissible for a Russian Orthodox believer to attend another Orthodox church. Orthodox churches share the same faith and sacraments, so believers can participate in services and receive the sacraments in any Orthodox church. However, it is important to be respectful of the traditions and practices of the specific church being visited. Additionally, it is recommended to inform the priest of the visited church about being a member of the Russian Orthodox Church. **

Yes, it is generally allowed for a Russian Orthodox believer to attend another Orthodox church. Orthodox Christians believe in the unity of the faith and the sacraments across all Orthodox churches, so attending a different Orthodox church is seen as participating in the same faith. However, it is important to respect the traditions and practices of the church you are visiting. **