✔ 最佳答案
99987765321246009770644320. You can put 99987765321245999899989999 add1 into 99987765321245999899990000
9870654321+99987765321245999899990000=99987765321246009770644321 and then you let 99987765321246009770644321-1=99987765321246009770644320
The answer is 99987765321246009770644320