Have you found the rule that the last digit is the power of the previous digit, for example, the fourth digit is the first digit? 2? ˇ3 said so. So, what is the analogy of 64 squares? 2ˇ63? The third question? Sum formula of meter series given by king to minister

Solution 3: According to the subject conditions, the data of rice forms a geometric series with the first term of 1 and the common ratio of 2, and the formula is the sum of the first n terms of the geometric series.

sn = 1-2ˇ64/ 1-2 = 2ˇ64- 1/2- 1 = 2ˇ64？ So the rice given by the king to the minister is 2.7 1 14. Ok, please answer the second question. Forget it? Take it.