Question

20×d+a?20÷d+a d×a+6?d×a-6 12÷6+a?12×(6+a)

Answer 1

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это если буквы с положительным знаком

Answer 2

Let's simplify each of the expressions step by step:

1. 20×d+a To simplify, we just perform the multiplication first and then add 'a': 20×d + a

2. 20÷d+a To simplify, we perform the division first and then add 'a': 20 ÷ d + a

3. d×a+6 This expression is already simplified and cannot be further simplified.

4. d×a-6 This expression is already simplified and cannot be further simplified.

5. 12÷6+a To simplify, we perform the division first and then add 'a': 12 ÷ 6 + a

6. 12×(6+a) To simplify, we perform the addition inside the parentheses first and then multiply by 12: 12 × (6 + a)

Please note that without specific values for the variables 'd' and 'a', we cannot provide numerical results. The above expressions are simplified algebraic expressions, and you can substitute specific values for the variables to get the numerical results.