Question

descubra a parcela desconhecida
a)( ) +(-4)=18
b)21+( )=13
c)19+( ) =14
d)36+( ) =21
e) ( ) -(-2)=35
f) ( )-(+4)=-20
g)(8)-( ) =26​

Answer 1

a) 22

b) -8

c) -5

d) -15

e) 33

f) -24

g) -18

De nada