Question

resolver:
1. (-5)+[(-3)+(-9)+(+15)]+[(-8)+(-3)+(+5)]
2. (+17)+{(-12)+[(3)+0+(+5)]+[(-2)+((-3)+(-1))+(+7]}

Answer 1

1. (-5)+[(+3)]+[(-6)] = (-5)+(-3)= -8

2. (+17) + {(-12)+[8]+[(-2)+3]} = (17) + (-4) + 1 = 14

Answer 2

Es igual a 14 si tienes calculadora científica lo puedes hacer