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  1. Simplify :
    [0.9 – {2.3 – 3.2 – (7.1 – 5.4 – 3.5)}]
    1. 0.18
    2. 1.8
    3. 0
    4. 2.6
Correct Option: C

[0.9 – {2.3 – 3.2 – (7.1 – 8.9)}]
= [0.9 – {2.3 – 3.2 + 1.8}]
= [0.9 – 0.9] = 0


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