Question

А) (-19)-(-10)-(-9)+6=?

Answer 1

$-19+10+9+6=6$

Answer 2

Уберем скобки и поменяем знаки , а затем уже приступим к решению:
(-19) - (-10) - (-9) + 6 = -19 + 10 + 9 + 6 = 6

Answer 3

Let's simplify the expression step by step:

1. (-19) - (-10) = -19 + 10 = -9
2. -9 - (-9) = -9 + 9 = 0
3. 0 + 6 = 6

So, the answer is 6.