Question

please tell me right answer this is very important ​

Answer 1

just subtract every number with -1

like 81513 -1 =81512

so this way you will do all the sums

Answer 2

Answer:

1). = 81513 = 81512

2). 401506 = 401505

3). 1000000 = 999999

4). 700001 = 700000