Question

efetue as multiplicaçoes:


5 1
a) __ x __
8 2


b) 3 3
__ x __
5 4


c) 5 2
__ x __
3 7


d) 7 1
__ x __
7 4



e) 3 4
__ x __
5 7


f) 1 3
__ x __
2 4

Answer 1

a) 51
x82 = 4,182

b) 33
x54 = 1,782

c) 1,924

d) 5,254

e) 1,938

f) 312