2,3, - 6,8,10, - 12,14, (), (), ()

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• 1. Find the law 12 9 2 6 8 3 4 5 12 9 2 6 8 3 4 5, what's the question mark?
• 2. 2 + 6 = 8 4 + 8 = 12 5 + 9 = 14 6 + a = B find the rule ~ write down what are a and B respectively? Like the title, Love also writes out what the law is
• 3. Find the rule 1 / 4, negative 1 / 3, 7 / 16, negative 13 / 25, 7 / 12 What is the eighth number?
• 4. Find the rule: 6, 9, (), (), 8, 10 There are 3, (), (), 76, 3, 5, 3, 4, (), 9 () How do you write it?
• 5. There is a set of numbers: 5, 10, 15, 20, 25, 30. What rules do you find, expressed by the formula containing letters
• 6. 9-1 = 8 * 1 25-9 = 8 * 2 49-25 = 8 * 3 81-49 = 8 * 4, what rule do you find by observing the above formula? Express this rule with formula (letter)
• 7. There are 240 students in Grade 6, including 50 in class 6 (1), 60 in class 6 (2), 20.8% in class 6 (1), and the center angle of fan-shaped circle in class 6 (2) []
• 8. The number of students in class 5 (1) is about 40 to 60. The students in the whole class take part in rope skipping competitions and divide them into groups. Each group has 6 students or 8 students How many people are there in class five (1)?
• 9. The number of male students in class 61 is equal to that in class 62. The number of male students in class 61 accounts for 50% of the total number of students in the class, and the number of male students in class 62 accounts for 60% of the total number of students in the class
• 10. Students participate in rope skipping competition, according to each group of 6 people or each group of 8 people for grouping, can be divided into several groups, participate in rope skipping competition at least how many people?
• 11. The first grade of primary school looks for rules 1, 2, 4, 5, 8, 10, (), ()
• 12. 1、1、2、3、5、8、___ 、____ 、____ Find the rules and fill them in,
• 13. Find a rule and fill in the number 1 3 4 7 7 11 10 15 13. What should be the next one?
• 14. Find the rule and fill in 10 10 9 7 How to fill in the following questions,
• 15. Find the rule and fill in 7,9,10,9,13 () () Why?
• 16. Fill in 4,1, (). 1 / 16,1 / 64 according to the rule
• 17. Fill in 7,10,20,23,33, (), () 4,1, (), 1 / 16 and 1 / 64 according to the rule
• 18. Find the law: 3 / 4, 1 / 2, 1 / 3, 2 / 9, (), ()
• 19. I met such a question in the sixth grade paper of primary school: find the rules, fill in: 2,6,15 (), 56, (), 141 Urgent need help, I know the answer, but do not know the law, seek, analysis. Thank you
• 20. Fill in the blanks: 1,2,4,7,11, (), () Elder sister, elder brother, the moon rabbit is here. Thank you