Question

-((-3,5)+7) и 3,5+7;

Answer 1

$-((-3,5)+7 )= -(-3,5+7) = -3,5$

$3,5 + 7 = 10,5$

Answer 2

Let's calculate both expressions step by step:

1. -((-3.5) + 7) First, simplify the expression inside the innermost parentheses: -(-3.5 + 7) Now, calculate the sum inside the parentheses: -(-3.5 + 7) = -(-0.5) Finally, negate the result: -(-0.5) = 0.5

2. 3.5 + 7 Simply calculate the sum: 3.5 + 7 = 10.5

So, the results are:

1. -((-3.5) + 7) = 0.5
2. 3.5 + 7 = 10.5