Question

1) Efetue as operações:

a) ( + 19 ) + ( + 25 ) = _________

b) ( −42 ) + ( − 74 ) = _________

c) ( − 14 ) + ( 0 ) = _________

d) ( + 820) + ( −150 ) = _________

e) ( −115) −( −55 ) = ________

f) ( −44 ) −( + 18 ) = ________

g) ( + 33 ) − 0 = ________

h) 0 − ( − 96 ) = ________

i) ( + 5 ) . ( + 6 ) = __________

j) ( + 25 ) . ( −4 ) = _________

k) ( −8 ) . ( −10 ) = __________

l) ( – 9 ) . ( + 7 ) = ________​

Answer 1

Resposta:

a) +44

b) -116

c) -14

d) +670

e)-60

f)-62

g) +33

h)+96

i)30

j) -100

k)+80

l)-63

Explicação passo-a-passo: