Answer:
6 = 3( + -4) + -1
:
6 = 3(-4 + ) + -1
6 = (-4 * 3 + * 3) + -1
6 = (-12 + 3) + -1
: 3 + -1 = 2
6 = -12 + 2
''.
, .
'-2' .
6 + -2 = -12 + 2 + -2
: 6 + -2 = 4
4 = -12 + 2 + -2
: 2 + -2 = 0
4 = -12 + 0
4 = -12
'4'.
= -3
Explanation:
' ....
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