Question

30-(6-1)
15+(-3+7)
-6 (-3+2)
18-(5-2-3)
20-(-6+8)-(-1+3)
35+(-3)-(-4+7+2)​

Answer 1

$30 - (6 - 1) \\ 30 - 5 \\ 25 \\ \\ 15 + (-3 + 7) \\ 15 + 4 \\ 19 \\ \\ -6 (-3+2) \\ - 6 -1 \\ - 7 \\ \\ 18-(5-2-3) \\ 18 - (3 - 3) \\ 18 - 0 \\ 18 \\ \\ 20-(-6+8)-(-1+3) \\ 20-2 - 2 \\ 20 - 0 \\ 20 \\ \\ 35+(-3)-(-4+7+2) \\ 35 - 3 - (3 + 2) \\ 35 - 3 - 5 \\ 32 - 5 \\ 27$