Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
59 + 582 =
2
641
|
2.
875 + 76 =
2
951
|
3.
705 + 187 =
892
2
|
4.
964 + 12 =
976
2
|
|
5.
133 – 19 =
114
2
|
6.
360 + 516 =
876
2
|
7.
571 – 267 =
304
2
|
8.
637 + 346 =
2
983
|
|
9.
301 – 178 =
2
123
|
10.
812 + 99 =
911
2
|
11.
18 + 753 =
771
2
|
12.
103 – 7 =
96
2
|
|
13.
998 + 2 =
1000
2
|
14.
95 + 269 =
2
364
|
15.
623 – 589 =
2
34
|
16.
940 – 74 =
2
866
|
|
17.
627 – 248 =
2
379
|
18.
472 – 191 =
281
2
|
19.
990 + 7 =
2
997
|
20.
50 + 116 =
166
2
|