29. Simplify:
(i) 1-71 181 + 1-51 - 2
(ü) 2032 = (-16)
(ii) 13 – 61 + 18 - 101 - 112 - 81
(iv) (-1)17 x (-1)
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Answer:
(I) 71130
(ii) I don't know
(iii) -324
(iv) 17
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