Using BODMAS solve: 15 – 16 – {12 + 21 ÷ (9 – 2)}

Using BODMAS solve: 15 – [16 – {12 + 21 ÷ (9 – 2)}]

Sum

15 – [16 – {12 + 21 ÷ (9 – 2)}]
= 15 – [16 – {12 + 21 ÷ 7}]
= 15 – [16 – {12 + 3}]
= 15 – [16 – 15]
= 15 – 1
= 14

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Chapter 8: Playing with Numbers (Including H.C.F. and L.C.M.) - Exercise 9 (A)

Chapter 8 Playing with Numbers (Including H.C.F. and L.C.M.)
Exercise 9 (A) | Q 12