5 out of 17 * 9 out of 24 + 9 out of 17 * 5 out of 24 Simple operation

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• 1. 17/24×1/5+7/24×1/5+1/5
• 2. Simple calculation of (14.23 + 16.17) times 0.8
• 3. Calculate the following questions: (1) 23-17 - (- 7) + (- 16) (2) (− 81) △ 94 × 49 ^ (− 16) (3) (− 114 + 58 − 712) × (− 24) (4) − 14 − (1 − 0.5) × 13 × [2 − (− 3) 2] (5) 3x2 + 2xy-4y2-3xy + 4y2-3x2
• 4. How can 2, - 6, - 9 and 9 be equal to 24
• 5. How can 2 - 6 - 9 be equal to 24
• 6. -How can 6, - 9,2,7 be equal to 24
• 7. How is 10.9.7.5 equal to 24
• 8. 2 9 7 3 how to calculate the result is equal to 24, 5 kinds!
• 9. 3. How can 5, 5, 9 be equal to 24
• 10. 5.3.3.4 how to calculate equal to 24 5.3.3.4 2.8.7.4 9.7.4.2 three methods each!
• 11. A simple method of 199 + 99 / 99
• 12. In 0,1 / 2,1,3.5,8,17,25,36, natural number has (), integer has (), even number has (), odd number has (), prime number has (), composite number has () jkaklzx
• 13. Among these six numbers, () is prime, () is composite, () is odd, () is even
• 14. Among the numbers 18, 0, 9, 4, 5, 17 and 24, prime numbers have {}, composite numbers have {}, odd numbers have {}, even numbers have {}
• 15. In 1,2,5,9,11,18,24, the odd number has (), the even number has (), the prime number has (), and the combined number has ()
• 16. 3 out of 14 and 2 out of 21 become fractions with the same denominator
• 17. Turn the following scores into the same denominator. 1.2:3 and 1.3:1.2.7:2 and 23 Divide the following groups into fractions with the same denominator: 1.2-3 and 1.3-1.2.7-2 and 23.2-3 and 5-5-1_ ∩#)
• 18. Change 14 out of 72 to the same size, and the denominator is 36
• 19. How to change 4 out of 9 and 5 out of 12 into fractions with denominator of 36 and constant size, and 3 out of 7 and 4 out of 11 into fractions with denominator of 24 and constant size
• 20. Change the following fractions into fractions with denominator 60 and constant size Twenty two thirds, fifty-five percent, seventy-three percent, twenty-nine percent