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What are the mathematical laws?
Look for regular topics, generally from special to general, or observe existing formulas or equations to see what the rules are. This needs to accumulate experience at ordinary times, and there are still three months before the senior high school entrance examination. I hope you can do more and find the skills to answer this kind of questions.

Such as: Finding Method 8 17 25 33 ...

(serial number) 1 (known status) 8

2 17=8×2+ 1

3 25=8×3+ 1

4 33=8×4+ 1

(rule found, 8× SN+1)

n 8×n+ 1

rule

1, 2, 4, 7, 1 1, 16, (22), (29),-The difference is: 1, 2, 3, 4, 5, 6, …

2,5, 10,17,26, (37), (50)-the difference is: 3,5,7,9, …

0, 3, 8, 15, 24, (35), (48)-the difference is: 3, 5, 7, 9, …

Find a pattern to fill in the blanks: 9- 1 = 8, 16-4 = 12, 25-9 = 16, 36- 16 = 20, 49-25 = 24.