Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
853 + 130 =
3
4
2
983
|
2.
24 – 15 =
1
9
2
3
|
3.
373 + 352 =
4
3
2
725
|
4.
751 + 149 =
3
900
4
2
|
|
5.
328 + 477 =
4
3
2
805
|
6.
145 – 108 =
4
37
3
2
|
7.
108 + 173 =
4
3
281
2
|
8.
55 + 546 =
601
3
4
2
|
|
9.
533 – 402 =
3
4
2
131
|
10.
525 + 61 =
4
2
3
586
|
11.
466 + 316 =
4
782
2
3
|
12.
930 + 68 =
3
998
2
4
|
|
13.
351 + 407 =
758
3
4
2
|
14.
184 – 79 =
2
3
4
105
|
15.
985 + 3 =
4
2
3
988
|
16.
105 + 412 =
2
4
3
517
|
|
17.
846 – 306 =
540
3
2
4
|
18.
222 + 765 =
2
987
3
4
|
19.
620 + 359 =
2
4
3
979
|
20.
261 – 24 =
237
2
4
3
|