Answers

2016-06-20T21:28:36+08:00
0 because it every number multiplied to zero.. The answer is zero then + 1 = 1-1=0 again.. Therefore, The answer is still 0
0
2016-06-20T21:28:36+08:00
1+1+1+1+1+1+1+1+1+1x0+1-1=0
0