Remove brackets: 72 − (18 + 9)

Type: MCQ • Marks: 1

A. 72 − 18 − 9

B. 72 + 18 − 9

C. 72 + 18 + 9

D. 72 − 18 + 9

Explanation

A minus before brackets changes both inside signs: 72 − (18 + 9) = 72 − 18 − 9 = 45.

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Class 7th Ganita Prakash 1

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