(-3)-(+10)-|-8|-(2) 4-[(-4)-12] (4-5)-(7-11)

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(-3)-(+10)-|-8|-(2)4-[(-4)-12](4-5)-(7-11)(-3)-(+10)-|-8|-(2)4-[(-4)-12](4-5)-(7-11)(-3)-(+10)-|-8|-

(-3)-(+10)-|-8|-(2) 4-[(-4)-12] (4-5)-(7-11)
(-3)-(+10)-|-8|-(2) 4-[(-4)-12] (4-5)-(7-11)

(-3)-(+10)-|-8|-(2) 4-[(-4)-12] (4-5)-(7-11)
(-3)-(+10)-|-8|-(2) 4-[(-4)-12] (4-5)-(7-11)
=(-3)-(+10)-8-(2) =4-[-(12+4)] =(-1)-(-4) =-(3+10)-(8+2) =4-(-16) =(-1)+4 =(-13)-10 =4+16 =3
=-(13+10) =20 =-23