Question

-{-8-[-(-2-5)-7-1)]}+2


5-{-[-7+(-7 8)+[-3+(-1-2)]}


2-{-8+[(-1+8)]-[6+(-5+1)}


-{-3+[-1+(-9+10]-[-2+(-4 -6]}+8

Answer 1

Respuesta:

Explicación paso a paso:

• -{-8-[-(-2-5)-7-1]}+2 = -{-8-[-(-7)-8]}+2 = -{-8-[7-8]}+2 = -{-8-[-1]}+2 = -{-8+1}+2 =

         -{-7}+2 = 7+2 = 5

• 5-{-[-7+(-7+8)+[-3+(-1-2)]} = 5-{-[-7+1+[-3-3]} = 5-{-[-7+1-6} = 5-{-[-12} =

         5-12 = -7

• 2-{-8+[(-1+8)]-[6+(-5+1)]} = 2-{-8+7-[6+(-4)]} = 2-{-8+7-2} = 2-{-3} = 2+3 = 5

• -{-3+[-1+(-9+10)]-[-2+(-4 -6)]}+8 = -{-3+[-1+(1)]-[-2+(-10)]}+8 = -{-3+[0]-[-2-10]}+8

       = -{-3-[-12]}+8 = -{-3+12}+8 = -{9}+8 = -9+8 = -1