Discussion

Explanation:

Given: 9 ÷ [5 + 7 ÷ {9 + 9 ÷ (9 + 9 ÷ 4)}]

95+79+99+94

95+79+3645 = 95+79+45

95+3549 = 95+57

6340

Hence, option (b).

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Doubts


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