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Question
Simplify : [0.9−{2.3−3.2−(7.1−5.4−3.5)}].
Simplify : [0.9−{2.3−3.2−(7.1−5.4−3.5)}].
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Solution
The correct option is A 0
[0.9−{2.3−3.2−(7.1−5.4−3.5)}]
=[0.9−{2.3−3.2−(7.1−8.9)}]
=[0.9−{2.3−3.2−(−1.8)}]
=[0.9−{2.3−3.2+1.8}]
=[0.9−{4.1−3.2}]
=[0.9−0.9]
=0
[0.9−{2.3−3.2−(7.1−5.4−3.5)}]
=[0.9−{2.3−3.2−(7.1−8.9)}]
=[0.9−{2.3−3.2−(−1.8)}]
=[0.9−{2.3−3.2+1.8}]
=[0.9−{4.1−3.2}]
=[0.9−0.9]
=0
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