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Interesting math problem
1= 5,2 =15,3 = 215,4 = 2145 so 5=?

Answer:

1, "brain teaser+logical reasoning": 0000 1

Since 5= 1 is known,1= 5; Because the number on the left of each equation also represents the number of digits of the result on the right, the number required for inference must be 5 digits)

2. [Homophonic]: 5=2 1945

1 Word 5 (I)

Two words 15 (you and me)

Three words 2 15 (love you and me)

4 words 2 145 (I love you)

5 words 2 1945 (I love you)

3, "digital reasoning":

5 is public, don't consider it. Look directly at the numbers before 5 (i.e. 0, 1, 2 1, 2 14), add them (0, 1, 3, 7 respectively), and then subtract them (i.e. 1, 2, 4). As follows:

1 5 0

1-0= 1 1 is the power of 2.

2 15 1

3- 1=2 2 is the power of 2 1.

3 2 15 2+ 1=3

7-3=4 4 is the second power of 2.

4 2 145 2+ 1+4+5=7

X-7=8 Incomplete induction inference should be 2 to the third power, which is 8.

5 2 14y5 x= 15 Therefore, y= 15-7=8.

So 5=2 1485.

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