Question

Me ayudan
a) {-5+[-1-(-3+2)+(-1-5)]-4}+19 =
b) 72+{-9+[-5-8+(11-6+1)] } +14 =
c) { 17 - [ 15 + (-6+1) ] } - { 11 - [ 10 + (-5+2) ] } =
d) (17-21)-(-6+4)+{-1+[-3-(-1+8)-2]+3}-10 =
e) {-[-(-1+2)-(-3+6)]+ [-(-4+5)-(-1+8)] } -6=
f) - {-[-(-8)-1]-2}+{3+[-4+2)] } =
g) (31-15)+(-3)- {-2+[-1-(-6+9)+1]+2} =
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Answer 1

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