Is one-third XY a monomial?
No. a monomial is a single number, a letter, or the product of a number and a letter
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- 1. In half, in the third Of these 99 scores, find nine so that their sum equals 1
- 2. Calculation: 1 / 3 minus 1 / 2 + 1 / 4 minus 1 / 3 + 1 / 5 minus 1 / 4 +... + 1 / 100 minus 1 / 99
- 3. One hundredth minus one hundredth minus one hundredth minus one hundredth minus one hundredth minus one hundredth minus one hundredth minus one hundredth minus one hundredth minus one hundredth minus one hundredth minus one hundredth minus one hundredth minus one Hun? (1/100-1)*(1/99-1)*(1/98-1).(1/2-1)=? The problem is to multiply up to half
- 4. How much does "one hundredth" add to "ninety-nine hundredth"?
- 5. Multiply (one minus one hundredth) by (one minus one ninety-nine) How much is (one minus one fourth) multiplied by (one minus one third)
- 6. Simple calculation by multiplying 2009 ^ / 2010 by 2008 + 1
- 7. 1994 plus one half minus one and one third plus two and two thirds minus three and one third plus four and one half minus five and three thirds
- 8. (3 / 4 minus 1 / 2) × (1 / 3 + 1 / 4) =? [to calculate the process]
- 9. X - (2 / 7 + 3 / 7) = 4 / 7 + X + 1 / 2 = 15 / 8, 4 / 5 - x + 1 / 3 = 5 / 6
- 10. In 1 / 3 × 12, 12 × 1 / 3, 1 / 3 × 5 / 7, 4 / 3 × 0, 5 / 2 × 1, 1 / 3 × 1 / 2 In 1 / 3 × 12,12 × 1 / 3, 1 / 3 × 5 / 7, 4 / 3 × 0, 5 / 2 × 1, 1 / 3 × 1 / 2, the product of the maximum and the first factor () is equal to that of the first factor () and less than that of the first factor () is equal to that of the product ()
- 11. If (a + 3) XY | a | is a quaternion of X and y, then the value of a is () A. 3B. -3C. 13D. ±4
- 12. Is the function f (x) = cosx, X ∈ (- π, π] non odd and non even
- 13. The coordinates of each vertex of the quadrilateral ABCD in the rectangular coordinate system are a (negative 2,2) B (minus 3, minus 2), D (2, 2) move the quadrilateral up three unit lengths, and then to the right four unit lengths to get the quadrilateral a 'B' C '. Please write its coordinate vertex
- 14. The normal human hemoglobin consists of four peptide chains, containing 574 amino acids, and each hemoglobin molecule contains () peptide bonds~
- 15. In trapezoidal ABCD, the area of triangle ABO is 4 square centimeters, and the area of triangle ADO is 6 square centimeters. How to find the area of trapezoidal ABCD?
- 16. 2008 power of 2006x1 - 2008x1 + 2009 =? Why 2007!
- 17. On New Year's day, all the goods in the store are reduced by 5% 1. A dress is just reduced by 100 yuan. How much is the original price of this dress? How much is the current price?
- 18. Given the equation 2.5x + 2.5 [x + 2] = 55. Can you write a math problem in real life?
- 19. The original price of a washing machine is 1350 yuan, and now it is sold at a 20% price reduction. At this time, the price is 19 yuan more than the cost. How much is the cost price of this washing machine?
- 20. Who can help me solve a math problem Tongle toy factory produced a batch of children's toys. In the first week, it completed 25% of the toys, in the second week, it completed 30% of the toys, and in the second week, it produced 450 more toys than in the first week. How many toys are there in total?