chapter 1,integers class 7th, Q:- 4. Simplify:
(ii)7-[6-{5+(1-3+4}] {Ans 8}
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=7-[6-{5+(1-3+4)}]
=7-[6-{5+2}]
=7-[6-7]
=7-(-1)
=7+1
= 8
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