hola les doy coronita.
1.-{+4+5 - [6+3- (2+1) +3 ] -8} =
2.-7{-7+11-[-5-(-2+3-5+4)]-6} =
3.- {-4-6-9-[+1-2-(+6-10+14)-6-4]-20} =
4.-[ -13+34 - (-32+12) -14 ] - { -23+14 - ( -25 +12 ) -24 } =
5.+ { -4 +11 -12 +15 - [ - ( -8 -9 ) + ( -10 +3 ) -4 ] +3 -6 +5 } =
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1. {+4+5 - [6+3- (2+1) +3 ] -8} = -8
2. -7{-7+11-[-5-(-2+3-5+4)]-6} = 21
3. {-4-6-9-[+1-2-(+6-10+14)-6-4]-20} = -18
4. [ -13+34 - (-32+12) -14 ] - { -23+14 - ( -25 +12 ) -24 } = 47
5. + { -4 +11 -12 +15 - [ - ( -8 -9 ) + ( -10 +3 ) -4 ] +3 -6 +5 } = 1
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