Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
42 – 28 =
14
1
|
2.
85 + 791 =
2
876
|
3.
414 – 265 =
149
2
|
4.
270 + 539 =
2
809
|
|
5.
467 + 340 =
2
807
|
6.
522 + 402 =
2
924
|
7.
464 + 201 =
2
665
|
8.
825 – 318 =
507
2
|
|
9.
498 – 491 =
1
7
|
10.
877 + 117 =
994
2
|
11.
978 + 5 =
983
2
|
12.
778 + 79 =
857
2
|
|
13.
990 + 7 =
997
2
|
14.
605 – 298 =
307
2
|
15.
719 – 424 =
2
295
|
16.
275 + 310 =
585
2
|
|
17.
937 – 358 =
579
2
|
18.
685 + 142 =
827
2
|
19.
466 – 402 =
2
64
|
20.
71 – 52 =
19
2
|