27. Observe the following : 1 + 2 – 3 + 4 + 5 – 6 – 7 + 8 – 9 = –5
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27. Observe the following : 1 + 2 – 3 + 4 + 5 – 6 – 7 + 8 – 9 = –5
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Answer:
use calculate and solve it
thanks
Answer:
It’s correct.
Step-by-step explanation:
In attachment is the explanation.
I wish that I helped you in correct way.
Mark my answer as Brainliest.