Question

20+{9-5+(6-4)}
plz btao

Answer 1

29- 5-2
29-7=22 hope it helps you
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Answer 2

6/5 – 3/5 + 2/5 – 9/5 = (16 – 3 + 2 - 9)/5 ... (ii) 11/15 – 7/20 (i) 15/16 – 11/12 ... (11 × 4)/( 15 × 4) – (7 × 3)/(20 × 3