MATH

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1.
1 point
7-(1-10)=
2.
1 point
0-18=
3.
1 point
-8-12=
4.
1 point
+7-15+8=
5.
1 point
-20+0-20=
6.
1 point
(-17)+(-13)=
7.
1 point
0-(-29)=
8.
1 point
-4+4-12=
9.
1 point
9-8-4=
10.
1 point
-2+0=
11.
1 point
-4+4-70=
12.
1 point
-6+6=
13.
1 point
3-20=
14.
1 point
-2-(6-7)=
15.
1 point
-9-(1-4)=
16.
1 point
-1-7=
17.
1 point
-15-5+3=
18.
1 point
8-(-1-4)=
19.
1 point
-1-2-3=
20.
1 point
-1-4+10=