What is 2.8 * 5A?

RELATED INFORMATIONS

• 1. When x is equal to what number, the monomial 5A ^ 2x + 1 and 8A ^ x + 3 are of the same kind
• 2. Solution equation: √ 18a - √ 1 / 8A + 4 √ 0.5A Calculation questions
• 3. Given (5x + 1) / [(x-1) (X-2)] = A / (x-1) + B / (X-2), find the value of a-b
• 4. (X-7 / 4) minus (5x + 8 / 3) = 1
• 5. Calculate the solution of the equation: X / 60 + X (60-5) / (x + 5) + [15-5x / 60-5x (60-5) / (x + 5) / 60 = x / 60 + (15-x) / 5
• 6. How to solve 5x = 8x (X-15)
• 7. When Xiao Ming recalculates (2x + 3) (3x + 2) - 6x (x + 3) + 5x + 16, he gets x = 1, which is wrongly copied into x = - 1, but the value does not change
• 8. How to calculate: (x + 50) / 5x = 1 / 4
• 9. Solve the equation. 0.4x = 2238 + x = 25x-15x = 310
• 10. 3（x+5）=5x+9
• 11. How to solve 102 = 8A + 8A ^ 2 + 8A ^ 3 + 8 / A ^ 4 + 108a ^ 5 102 = 8A + 8A ^ 2 + 8A ^ 3 + 8A ^ 4 + 108a ^ 5
• 12. Is there any difference between "simplifying ratio and seeking ratio" and "simplifying ratio and seeking ratio"? Is "simplifying ratio and finding ratio" done with one formula? Is "simplifying ratio and finding ratio" done with two formulas
• 13. Using power to simplify meaning (-5)^(2n+1)+5×(-5)^2n+2000^(2n+1)×(1/2000)^2n
• 14. What is the definition of simplification? To what extent is it the simplest?
• 15. What's the difference between XY2 and (XY) 2 I don't know. Does XY2 mean x + 2Y or 2 (x + y)? If x = 3, y = 2, how to calculate these two questions?
• 16. First simplify and then evaluate: 3x2y - [2xy2-4 (12xy-34x2y) + XY] + 3xy2, where x = 3, y = - 1
• 17. Given the direct and x-independent of the algebraic formula - 2x & # 178; + ax + BX & # 178; - 5x-1 of X, we can find a and B
• 18. When x = 3, the value of the algebraic formula ax & # 179; + bx-5 is 7; when x = - 3, what is the value of the algebraic formula ax & # 179; + BX + 5?
• 19. If the value of the algebraic formula AX3 + BX-1 is 9 when x = - 3, then the value of the algebraic formula AX3 + BX-1 is 9 when x = 3______ ．
• 20. If 2x ^ 2-kx ^ 3 + 3 is divisible by 2x + 1, the remaining 2 is obtained