1+2+3+4+5+6+7+8+9+10=?
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Answered by
3
55 is the answer..........use n(n+1)/2
Navpreet449:
you are right
do u know maths well??
what is 45678+456+567+678+789?
it is 48168
think so
ya u guys are nive at maths
*nice
Answered by
2
it is equal to 55
formulais n(n+1)/2
hope,it helps...
plz mark as brainliest
formulais n(n+1)/2
hope,it helps...
plz mark as brainliest
this too is a nice answer but the other person gave tej explanation how it came that's why i marked it as brainliest
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