Question

3)Resolva as adições usondo o cálculo mental.
a)200+650=___________
b)168+500=___________
c)3000+1845=_____________ d)1023+2040=_____________
e)3409+500=_____________
f)4569+2321=_____________​

Answer 1

Resposta:

a) =850

b) =668

c) =4845

d) =3063

e) =3909

f) = 6890

Answer 2

Resposta:

A=850

B=668

C=4845

D=3063

E=3909

F=6890

Espero ter ajudado!