oefenen met negatieve getallen optellen en aftrekken_docente H.Janssen

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1.
1 point
-23 - -12 =
2.
1 point
-17 + 23 =
3.
1 point
16 + 3 =
4.
1 point
20 + -3 =
5.
1 point
-23 + 36 =
6.
1 point
-8 - -5 =
7.
1 point
25 - -19 =
8.
1 point
-9 - 4 =
9.
1 point
18 - 14 =
10.
1 point
8 - -1 =
11.
1 point
-13 + -2 =
12.
1 point
25 - 21 =
13.
1 point
-16 + 3 =
14.
1 point
-23 - 1 =
15.
1 point
6 - 7 =
16.
1 point
16 - 4 =
17.
1 point
21 - -8 =
18.
1 point
6 - -7 =
19.
1 point
24 + -3 =
20.
1 point
-26 - 19 =