PDF chapter test TRY NOW
1. \((-91)\) \(+\) \((-181)\) \(=\) .
2. \((-53)\) \(+\) 77 \(=\) .
3. 49 \(+\) \((-61)\) \(=\) .
4. 77 \(+\) 49 \(=\) .
[Note: Insert minus sign if your answer is negative.]
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