Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
796 – 757 =
39
4
2
3
|
2.
354 + 304 =
4
3
658
2
|
3.
287 + 623 =
3
2
910
4
|
4.
204 + 100 =
3
304
4
2
|
|
5.
217 + 663 =
2
4
880
3
|
6.
163 + 622 =
785
2
3
4
|
7.
287 – 213 =
2
74
3
4
|
8.
871 + 98 =
969
2
4
3
|
|
9.
459 + 65 =
3
4
524
2
|
10.
504 + 415 =
3
4
919
2
|
11.
474 + 194 =
668
2
4
3
|
12.
215 – 90 =
125
2
3
4
|
|
13.
554 + 64 =
3
4
618
2
|
14.
674 – 424 =
4
2
250
3
|
15.
856 – 127 =
3
729
2
4
|
16.
603 – 18 =
3
4
585
2
|
|
17.
227 + 55 =
282
4
3
2
|
18.
435 + 558 =
993
3
4
2
|
19.
97 – 21 =
4
2
76
3
|
20.
943 – 877 =
3
4
2
66
|