Find the law, 23618 find the fifth number. A.128 b.148 c.168 d.188

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• 1. What is the number that is a factor of 18 and a multiple of 3? Urgent ~
• 2. A number is not only a factor of 18, but also a multiple of 3. How many Xie are there
• 3. A number is not only a factor of 18, but also a multiple of 18______ ．
• 4. Find the sum of multiples of 3 in the factor of 18
• 5. The sum of multiples of 3 in the factor of 18
• 6. The multiple of 1-103 has () the factor of 1-1018 is () What is it
• 7. It's a multiple of 18 and a factor of 72. What's the number
• 8. A number is a factor of 72 and a multiple of 18. How many such numbers are there?
• 9. A number is a multiple of 18, which is also a factor of 18. Guess what the number is______ ．
• 10. A number is a factor of 72 and a multiple of 18. How many such numbers are there
• 11. The following column numbers are given: 2, 43, 678, 131021 Then the nth number is______ (expressed by an algebraic expression containing n)
• 12. Find rules: 0,1,2,3,6,7,14,15,30,,, 63,64128 Fill in the numbers in brackets
• 13. 31 30 15 14 7 () () 1 7 8 14 15 21 22 () () this is to find rules
• 14. Find the rule: 3,6,7,14,15,30
• 15. There is a column of numbers: 1, 6, 11, 16, 21... According to the arrangement of numbers, the 80th number is ()
• 16. The number of this column is arranged according to a certain rule. Fill in the number according to the rule: 1,5,21,85341, () Urgent need
• 17. There is a column of numbers, 2, 5, 8, 11, 14 Then 104 is the () th number in this column A. 33B. 32C. 34D. 35
• 18. There is a column of numbers, 2, 5, 8, 11, 14 Then 104 is the () th number in this column A. 33B. 32C. 34D. 35
• 19. In a column of numbers 2,7,14,23. What is the 15th number
• 20. Find the rule and fill in the following: 1. 2 × 6 = 12, 3 × 8 = () 48 ／ 8 = () ②：12÷4＝3 （）÷4＝（） （）×5＝（） ③：2×6÷4＝（） （）○（）○（）＝（） （）○（）○（）＝（） Note: () fill in the number ﹣ fill in × and ﹣ in If you write correctly, you will get higher marks