Ответы на вопрос:
#1.
- 12 + 3 = - 9
11 - 15 = - 4
2 - ( - 10 ) = 12
- ( - 3 ) + 9 = 12
- 8 - 3 = - 11
3 + ( - 6 ) = - 3
- 5 + ( - 4 ) = - 9
0 - 5 = - 5
0 + ( - 7 ) = - 7
- 2 + 2 = 0
0 - ( - 5 ) = 5
- ( - 1 ) - 9 = - 8
- 7 - ( - 4 ) = - 3
3 × ( - 5 ) = - 15
- 19 × 2 = - 38
- 5 × 0 = 0
- 7 × ( - 2 ) = 14
- 11 × 1 = - 11
18 ÷ ( - 2 ) = - 9
- 27 ÷ ( - 7 ) = 3,85714286
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