Question

Arme as continhas
a) 234+70
b) 3579+135
c) 3969-2790
d) 81469-9876

Answer 1

a) 234
+70
----------
304

b) 3579
+135
----------
3714

c) 3969
-2790
-----------
1179

d) 81469
-09876
-----------
71593

Answer 2

a)234

 + 70

______

   304

b)3579

  +135

______

   3714

c)3969

-2790

______

1179

d)81469

  -9876

_______

71613