1-2+3-4.....+29-30=?
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Answered by
3
HEYA!!!
IT IS A SERIES.
=====================
1-2=-1
3-4=-1
......
THIS WILL HAPPEN 15 TIMES,
SO,
-1 * 15 = - 15
HENCE, - 15 IS THE CORRECT ANSWER.
============================
#KEVIN
HOPE IT HELPS YOU ☺
IT IS A SERIES.
=====================
1-2=-1
3-4=-1
......
THIS WILL HAPPEN 15 TIMES,
SO,
-1 * 15 = - 15
HENCE, - 15 IS THE CORRECT ANSWER.
============================
#KEVIN
HOPE IT HELPS YOU ☺
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