1, when each turn begins to deal cards, each person will be dealt five cards. If three of the five cards add up to a multiple of 10, it means that there are cows, and some cows are bigger than none.

2. If there are cows, it is bigger than their cows. Calculate by the remaining two cards. What is the sum of the remaining two cards is the number of cows. If the sum is greater than 10, take the single-digit part.

3. In the case of no cattle, if no matter how you calculate the cards in your hand, the sum of three of them can't be a multiple of 10, then this hand is no cattle. If the opponent is also no cattle, you should compare the biggest cards of both sides at this time, and whoever has the biggest card will win. If both sides are the same, it will be the second biggest card.

Look at the size

If there are cows on both sides of the first set of cards, the second set of cards will be compared. Add the remaining two cards. If it is an integer of ten, the multiple is the largest, and then according to nine to one, the multiple gradually decreases.

If it is greater than 10 and less than 20, then according to the multiple calculation, each group of numbers has its own unique address, and the size of each address is also different. At the time of comparison, the party with the largest card wins. If the cards are the same, compare them according to their colors.