Observe the following triangle number matrix to find the rule: one 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 .................. As shown in the figure above, the number 21 from left to right in line 22 from top to bottom is (), and 2010 is the number () in line () one 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 .................. As shown in the figure above, the number 21 from left to right in line 22 from top to bottom is (), and 2010 is the number () in line ()

Observe the following triangle number matrix to find the rule: one 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 .................. As shown in the figure above, the number 21 from left to right in line 22 from top to bottom is (), and 2010 is the number () in line () one 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 .................. As shown in the figure above, the number 21 from left to right in line 22 from top to bottom is (), and 2010 is the number () in line ()

There is one number in line 1
There are four numbers in the first two lines
There are nine numbers in the first three lines
……
The first n rows have n ^ 2 numbers
The first 21 lines have
21 ^ 2 = 441
So the 21st number from left to right in line 22 is 441 + 21 = 462
2010=44^2+74
So 2010 is the number 74 on line 45