Simplification + [- (+ 7)], [- (- 2.3)], - [+ (- 1 / 4)]?

RELATED INFORMATIONS

• 1. What is 84 / 162 simplification?
• 2. 162 out of 84
• 3. 16.78-2.54. - 3.32-1.46?
• 4. (): () = 0.375 = 27: () = 32 of what
• 5. 27: () = 1 / 16 () = 0.375 = () 24
• 6. Simple operation 79 △ 115 + 29 × 511 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 4 × 1.28 × 25 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; (58 + 127) × 8 + 1927
• 7. 1 / 3, 5 / 9, 19 / 27. What is the eighth number?
• 8. Simplify the following numbers - (+ 0.75), - (+ 3.8), - (- three fifths), - (- 68)
• 9. Simplify the following positive and negative numbers: Ji - (- 68) - (+ 0.75) - (- 3 / 5) - (+ 3.8)
• 10. The perimeter formula of trapezoid is
• 11. 4 / 3:1.6 for simplification ratio
• 12. 2 / 3 to 1 reduction ratio
• 13. Reduction ratio: 0.375:3 / 8 Please write the formula, too.
• 14. (a + 2) (A-2) - A (a + 1) simplification
• 15. Simplification: a (a + 2) - (A-1) (a + 1) Using the complete square formula to calculate: (-x-y)^2
• 16. The result of simplifying (a ^ 2 / A-1) - A-1 is
• 17. 3:0.250.8:1 and 5:7.4:3:1.25 3:7:4 reduction ratio
• 18. 1, calculate the following ratios: 1 / 3:1 / 7 = () 90g: 0.6kg () 2, simplify the following ratios: 3.5:25 = () 3. Dissolve 25 grams of salt into 200 grams of water. The simplest weight ratio of salt to brine is () 4. If the ratio of two numbers is 1 / 4, and the former and latter terms of the ratio are expanded four times at the same time, then the ratio is equal to () 5,3 percentage points is (), 0.5 has () 1%
• 19. 2: 1 / 3 0.375 20%: 0.6 (1) simplify the following ratio. (2) calculate the ratio
• 20. 625, and the ratio is calculated