-3, - 11,5,7

RELATED INFORMATIONS

• 1. 1 / 3 () 1 / 3 () 1 / 3 () 1 / 3 = 5 / 9 fill in the brackets with appropriate operation symbols or brackets
• 2. Fill in the appropriate operation symbol in the "□" below to make the equation hold. (1 □ 9 □ 9 □ 9) * (1 □ 9 □ 2) * (19 □ 9 □ 2) = 1992 Fill in the appropriate operation symbol in the "□" below to make the equation hold. (1 □ 9 □ 9 □ 9) * (1 □ 9 □ 2) * (19 □ 9 □ 2) = 1992
• 3. How to use the computer to type the small circle of mathematical degree?
• 4. What is the minus plus sign? The mathematical symbol is the minus sign above and the plus sign below; What is this symbol for? What kind of formula is used
• 5. What does occult blood mean by a plus sign and a minus sign?
• 6. What is the exact definition of "cut point" in discrete mathematics?
• 7. Fill in the appropriate operation symbol in ﹣ and the appropriate number in ﹣ respectively 80÷16＝﹙80○□）÷（16÷4） 200÷40＝（200÷20）÷（40○□） 180÷15＝（180÷30）÷（15○□）
• 8. Fill in the appropriate operation symbol in o! 4o4o4o4 = 1 this 4o4o4o4 is the same, but the number is different We need 4o4o4o4 to get the number of 2 1 7 8. Thank you
• 9. 4+6+...+20+1-3-5-...-19= 199+299+399+499+599+5= 99999x22222+33333x33334= 591x482+118=
• 10. How to prove this simple number theory problem If the product of two numbers is an integer in the form of 3K-1 or 4k-1 or 6k-1, then there must be an integer in the form of 3K-1 or 4k-1 or 6k-1?
• 11. Use 1,2,2,3 groups of 24 points to get the answer equal to 24 or negative 24
• 12. 2,1, - 2,3 make up 24 points Use /, (), []!
• 13. Use 12, 13, 5, 8 to form 24 points? o(∩_ ∩) O... Ha ha, come on!
• 14. 24:00: 3,5,2, - 13 One is enough. Thank you
• 15. How do three fives and one equal 24
• 16. How to make 24 o'clock with three fives and one one? Just add, subtract, multiply and divide
• 17. Three five and one 24 o'clock
• 18. What's 24 o'clock for three fives?
• 19. 6 is equal to 6______ (judge right or wrong)
• 20. One in five equals two in several