Resposta :
1 - 2 1 - 2
0 3 0 3
1.1 + (-2).0 1.(-2) + (-2).3
0.1+ 3.0 0.(-2) + 3. 3
1 + 0 -2 - 6
0 + 0 0+ 9
1 - 8
0 9
0 3 0 3
1.1 + (-2).0 1.(-2) + (-2).3
0.1+ 3.0 0.(-2) + 3. 3
1 + 0 -2 - 6
0 + 0 0+ 9
1 - 8
0 9