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Simplify \( \Large 6-\left[ 9-\{18- \left(15-\overline{12-9}\right) \} \right] \)
A) 1
B) 4
C) 5
D) 3
Correct answer:
D) 3
Description for Correct answer:
Given expression
=\( \Large 6-\left[ 9-\{ 18- \left(15-\overline{12-9}\right) \} \right] \)
=\( \Large 6-\left[ 9-\{ 18- \left(15-12+9\right) \} \right] \)
=\( \Large 6-\left[ 9-\{ 18-12 \} \right] \)
=\( \Large 6-\left[ 9-6 \right] = 6-3 = 3 \)
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