Question

Complete este quadro de multiplicação

Answer 1

16,12,8,4,0,-4,-8,-12,-16
12,9,6,3,0,-3,-6,-9,-12
8,6,4,2,0,-2,-4,-6,-8
4,3,2,1,0,-1,-2,-3,-4
0,0,0,0,0,0,0,0,0
-4,-3,-2,-1,0,1,2,3,4
-8,-6,-4,-2,0,2,4,6,8
-12,-9,-6,-3,0,3,6,9,12
-16,-12,-8,-4,0,4,8,12,16.