23 - 45 + 17 = -5
2345 + 2345 = 4690
6790 + 2345 = 9135
2345 + 1234 = 3579
263 + 2345 = 2608
2345 + 4567 = 6912
1000 +2345 -------- 3345
25,801
0.9134
1,998+2,345=4,343
The answer is 8579. All you do is the column method.
Seventeen
The sum is 71501. (Please do not add simple calculator questions to the site.)