![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
1.23 × 9.4 ＋ 0.77 × 9.4 is calculated by off formula
＝9.4×（1.23+0.77）
＝9.4×2
＝18.8
How to calculate (1-4 / 1) × (1-9 / 1) × (1-16 / 1) ×·····× (1-100 / 1)
(1-4 / 1) × (1-9 / 1) × (1-16 / 1) ×·····× (1-100 / 1) = (1-1 / 2) (1 + 1 / 2) (1-1 / 3) (1 + 1 / 3) (1-1 / 4) (1 + 1 / 4) *. * (1-1 / 10) (1 + 1 / 10) = 1 / 2 * 3 / 2 / 3 * 4 / 3 * 3 / 4 * 5 / 4 *. * 9 / 10 * 11 / 10 = 1 / 2 * 11 / 10 = 11 / 20
RELATED INFORMATIONS
- 1. 101 * 73 simple calculation
- 2. 1.10 times 101-1.01 formula to calculate the simple calculation of drugs
- 3. Can 73 × 0.98 be simply calculated
- 4. Simple calculation of 2 / 3 + 17 / 11
- 5. 3.9 * 14.7-3.9 * 4.7 1.25 * 3.2 * 2.5 3.2 * 101 as simple as possible
- 6. Simple calculation of 6.05/1.25/0.8
- 7. Simple calculation of 72.6 divided by 1.25 divided by 8
- 8. 7 / 8-7 / 15 * 7 / 8 = () (simple calculation by operation law)
- 9. 6 out of 5 times a = B divided by 5 out of 4 = C divided by 7 out of 6, and a, B, C are not zero, sorted from small to large
- 10. Recursive equation: 1-1 / 6 + 1 / 56 + 1 / 72 + 1 / 90
- 11. Simple operation of 9.37 and 8 / 20 plus brackets 5.63 minus 2 / 29 and 21 / 29
- 12. 7.23 + 6.84 + 0.84 + 2.77
- 13. Write the simple operation process of 5 / 76 × 77!
- 14. 76 / 77 times 32 = how much? Off test calculation
- 15. How to calculate 614 * 29-58 * 257 simply
- 16. A simple method of multiplying zero four by 99 and subtracting zero four
- 17. Calculation by formula: 5 / 101 × 1 / 2 △ 2 / 5 12 △ 14 / 4 × 7 / 8
- 18. 1 / 21 + 1 / 77 + 1 / 165. + 1 / 3245 simple calculation, please answer before 22 o'clock,
- 19. Simple calculation: 101x79-79
- 20. If ABC is greater than zero, and a times 6 / 7 equals B times 3 / 4 equals c times 5, try to judge the size relationship of ABC