Adding Positives/Negatives

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1.
1 point
49 + (-27) =
2.
1 point
(-5) + (-8) + (-2) + 1 =
3.
1 point
(-6) + 3 =
4.
1 point
-11 + (-11) =
5.
1 point
5 + (-1) + 2 =
6.
1 point
4 + (-4) =
7.
1 point
(-47) + 30 =
8.
1 point
9 + (-12) =
9.
1 point
2 + 10 + (-10) + 10 =
10.
1 point
(-2) + 11 + (-4) =