Additive inverse of 7, Additive inverse of -14, Additive inverse of 3, Additive inverse of -19, Additive inverse of 26, Additive inverse of -8, Additive inverse of 11, Additive inverse of -5, Additive inverse of 22, Additive inverse of -17, Multiplicative inverse of -4, Multiplicative inverse of 1/27, Multiplicative inverse of -9, Multiplicative inverse of 1/10, Multiplicative inverse of -6, Multiplicative inverse of -1/15, Multiplicative inverse of 12, Multiplicative inverse of -1/2, Multiplicative inverse of 21, Multiplicative inverse of -1/18

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