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Calculate the following:(i) – 2 + 3(ii) – 6 + (- 2)(iii) 8 – (- 6)(iv) – 9 + 4(v) – 23 – (- 30)(vi) 50 – 153(vii) 71 + (- 10) – 8(viii) – 30 + 58 – 38 |
Answer» (i) – 2 + 3 = +1 (ii) – 6 + (- 2) = – 6 – 2 = – 8 (iii) 8 – (- 6) = 8 + 6 = + 14 (iv) – 9 + 4 = – 5 (v) – 23 – (- 30) = – 23 + 30 = + 7 (vi) 50 – 153 = + 50 – 153 = – 103 (vii) 71 + (- 10) – 8 = + 71 – 10 – 8 = + 71 – 18 = + 53 (viii) – 30 + 58 – 38 = – 30 – 38 + 58 = – 68 + 58 = – 10 |
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