Question

Calcule a)(7+)-(+3) b)(+5)-(-2) c)(-3)-(+8) d)(-1)-(-4) e)(+3)-(+8) f)(+9)-(+9)

Answer 1

Resposta:

a) 7 - 3 = 4

b) 5 + 2 = 7

c) -3 - 8 = -11

d) -1 + 4 = 3

e) 3 - 8 = -5

f) 9 - 9 = 0