123456789 +987654321 =1111111110
1,111,111,110
-12434466901224
12345679
2222194848...I think. And yes I did just do that in my head :D
12356789+987654321= = 1000011110
they are 12345679 stink
There are nine ones in the answer. 12345679 × 9 = 111111111
123456789+987654321
123456789-987654321 = -864197532
12345679
10.125