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1.Find the sum in two different ways.(a) - 32, 50(b)- 81, - 79(c) 64, - 100(d) 13, – 78, 152.Write the additive inverse of the following:(a) 31(b)- 7(c) 21(d)- 5013.(e) 0(f) - 34Find the sum using the properties of addition.(a) 200 + (- 105) + (-36)(b) (-45) + 100 + (- 55)(c) (825) + 725 + 100 + (- 100)(d) 927 + (-517) + (- 518)​

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