+0  
 
+9
122
2
avatar+389 

what is 1+2+3+4+5+6+7+8+...+998+999+1000

 

i got 500500 am I right

 Apr 25, 2021
 #1
avatar+121000 
+2

Sum of  first  n psitive integers =   n ( n + 1)  /  2

 

So

 

1000   (1001)  /  2  = 

 

500 * 1001

 

500500    !!!!

 

Correct !!!

 

cool cool cool

 Apr 25, 2021
 #2
avatar+389 
+5

thx for the help 

Dennis070sinneD  Apr 25, 2021

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