Question

o calculo: a)(-3)-(-4) b)(-10)+(-9) c)(+11)+(-13)

Answer 1

Olá,

Vamos lá,

a)(-3)-(-4) = - 3 + 4 = 1

b)(-10)+(-9) = -10 - 9 = -19

c)(+11)+(-13) = 11 - 13 = -2

Answer 2

a)
(-3)-(-4) = - 3 + 4 = 1

b)
(-10)+(-9) = - 10 - 9 = - 19

c)
(+11)+(-13) = 11 - 13 = - 2