Question

1) Efetue as operações indicadas:
a) +11 – 20=
f) - 4 - 6=
b) 12 – 9=
g) - 5 + 8 =
c) +6 + 8=
h) + 4 – 23=
d) -11 – 5=
i) - 50 - 5=
e) – 100 + 25 =
j) - 25 – 8 =​

Answer 1

a) +11 - 20 = - (20 - 11 ) = -9

b) -4-6= -10

c) 12- 9 = 3

d) -5+8= (8-5)=3

e) 4-23= -19

f) -11-5=-16

g) -50-5= -55

h) -100+25=-125

i)-25-8=-33