EXERCISE 1.5 1. Simplify each of the following: (a) -25 + 12 + (9- 3) (b) 29 – [38 – {40 = 2 – (6 - 9+ 3) = 3}] (d) 14 +5[{-10 (25 – 13 – 3)} = (-5)] (c) 14 – {13 + 2 – (7 +5 - 2 + 3 )}
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a) -25 + 12 + (9- 3)
Answer - 7
(b) 29 – [38 – {40 = 2 – (6 - 9+ 3) = 3}]
Answer 10
(d) 14 +1/5[{-10 (25 – 13 – 3)} = (-5)]
Answer 24.64
(c) 14-1/2[13+2-(7+5-2-3)} ·
Answer 10
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