Ответ:
- 6 + 8 = 2
- 9 + ( - 2 ) = - 11
7 + ( - 14 ) = - 7
42 + ( - 50 ) = - 8
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Ответ:
- 6 + 8 = 2
- 9 + ( - 2 ) = - 11
7 + ( - 14 ) = - 7
42 + ( - 50 ) = - 8