Question

a) ( ×7 ) - ( +3 ) =

b) ( -1 ) - ( -4 ) =

c) ( -8 ) - ( +5 ) =

d) ( -7 ) - ( -8 ) =

e) ( +5 ) - ( -2 ) =

f) ( +3 ) - ( -8 ) =

g) ( +5 ) - ( -6 ) =

h) ( +4 ) - ( +4 ) =​

Answer 1

Resposta:

a)-21

b)3

c)-13

d)1

e)7

f)11

g)11

h)0