Question

calcule as expressões numéricas:
a) ( +7 ) – ( +3 )
b) ( +5 ) – ( -2 )
c) ( -3 ) – ( +8 )
d) (-1 ) – ( -4 )
e) ( +3 ) – ( + 8 )
f)( +9 ) – ( +9 )
g) ( - 8 ) – ( +5 )
h) ( +5 ) – (+6 )
i) ( -2 ) – ( -4 )
j) ( -7 ) – (-8 )
k) ( +8 ) – ( +4 )
l) ( - 3 )– ( +2 )​

Answer 1

Explicação passo-a-passo:

a)4

b)7

c)-11

d)+3

e)-5

f)0

g)-13

h)-1

I)+2

j)+1

k)4

l)-5