Resuelve: a) -23 + (+45) = b) -28 + (+28) = -20 + (-2) + (-6) = d) 11 - (+3) - (+5) = - (+25) +(-4) - (+40)- f) -12 +3 - {8 - 19+ 4-1 +(-2+ 8)] + 3) - g) 2- (1 - 2) - {-2-15 - (5 - 13)] + 6) = h) - {5+ [2 - (7 - 9) + 8) -3) + 12 - 1) - 3+ [-2 + (5 - 7) + 2 - (-9 +11)) = 1) (-5-7 + 3) + 4- (-2 - 4+5) =
PORFA PORFA PORFA AYUDA
Respuestas a la pregunta
Respuesta:
a) -23 + (+45)
= -23 + 45
= 22
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b) -28 + (+28)
= -28 + 28
= 0
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c) -20 + (-2) + (-6)
= -22 + (-6)
= -22 -6
= -28
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d) 11 - (+3) - (+5)
= 11 - 3 - 5
= 11 - 8
= 3
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e) - (+25) + (-4) - (+40)
= -25 - 4 - 40
= -29 - 40
= -69
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f) -12 +3 - {8 - 19 + 4 - 1 +(-2+ 8)] + 3)
= -12 +3 - {8 - 19 + 4 - 1 + 6] + 3)
= -12 +3 - {-11 + 4 - 1 + 6] + 3)
= -12 +3 - {-7 - 1 + 6] + 3)
= -12 +3 - {-8 + 6] + 3)
= -12 +3 - {-2] + 3)
= -12 +3 - {1)
= -9 - {1)
= -10
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g) 2- (1 - 2) - {-2-15 - (5 - 13)] + 6)
= 2- (-1) - {-2-15 - (-8)] + 6)
= 2- (-1) - {-17 - (-8)] + 6)
= 2- (-1) - {-17 + 8] + 6)
= 2- (-1) - {-9] + 6)
= 2 + 1 - {-9] + 6)
= 2 + 1 - {-3)
= 2 + 1 + 3
= 3 + 3
= 6
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h) - {5+ [2 - (7 - 9) + 8) -3) + 12 - 1) - 3+ [-2 + (5 - 7) + 2 - (-9 +11))
= - {5+ [2 - (-2) + 8) -3) + 12 - 1) - 3+ [-2 + (2) + 2 - (-9 +11))
= - {5+ [2 + 2 + 8) -3) + 12 - 1) - 3+ [-2 + 2 + 2 - ( 2 ))
= - {5+ [2 + 2 + 8) -3) + 12 - 1) - 3+ [-2 + 2 + 2 - 2)
= - {5+ [4 + 8) -3) + 12 - 1) - 3+ [0 + 2 - 2)
= - {5+ [12) -3) + 12 - 1) - 3+ [2 - 2)
= - {5+ [12) -3) + 12 - 1) - 3+ [0)
= - {17 -3) + 12 - 1) - 3+ [0)
= - {14) + 12 - 1) - 3+ [0)
= - {26 - 1) - 3+ [0)
= - {25) - 3+ [0)
= - {22+ [0)
= - {22}
= -22
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1) (-5-7 + 3) + 4- (-2 - 4+5)
= (-12 + 3) + 4- (-2 - 4+5)
= (-9) + 4- (-2 - 4+5)
= (-9) + 4- (-2 - 4+5)
= (-9) + 4- (-6 +5)
= (-9) + 4- (-1)
= (-9) + 4 + 1
= -5 + 1
= -4