Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
811 + 39 =
2
4
3
850
|
2.
306 + 455 =
761
3
2
4
|
3.
708 – 69 =
4
2
3
639
|
4.
680 + 82 =
3
4
762
2
|
|
5.
548 – 504 =
2
4
3
44
|
6.
403 + 78 =
4
481
2
3
|
7.
348 + 132 =
2
480
3
4
|
8.
2 + 489 =
491
3
4
2
|
|
9.
620 + 123 =
3
2
4
743
|
10.
383 – 74 =
2
4
309
3
|
11.
992 + 1 =
993
2
4
3
|
12.
332 – 150 =
3
2
182
4
|
|
13.
553 + 213 =
4
2
3
766
|
14.
586 + 403 =
989
4
2
3
|
15.
292 + 205 =
4
2
497
3
|
16.
258 – 182 =
3
76
2
4
|
|
17.
198 + 246 =
4
3
444
2
|
18.
478 – 41 =
4
437
2
3
|
19.
272 – 69 =
203
4
3
2
|
20.
746 + 19 =
2
4
765
3
|