Find the law
10.17.6.13.2.9
Should it be?
Every other number is 10 () () and 17 () () 9
10-4=6,6-4=2.
17-4=13,13-4=9.
RELATED INFORMATIONS
- 1. Fill in the numbers in the first grade of primary school
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- 8. Depressed ah, can't do the number of primary school to find the law of the problem! There is a certain rule for each group of numbers below. What is the rule? 1.2,4,12,16,30 2.1,3,9,15,27 3.5,10,20,25,45 4.3,9,15,21,33
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- 17. Find the law: one third, (), five and one-third, twenty-one and one-third
- 18. 11x22+0.22x3300+330x4.4=
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