Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
59 – 59 =
0
4
2
3
|
2.
638 + 344 =
4
982
2
3
|
3.
582 + 5 =
587
3
2
4
|
4.
849 – 653 =
2
196
3
4
|
|
5.
394 + 113 =
4
2
3
507
|
6.
590 – 583 =
2
7
3
1
|
7.
471 + 23 =
3
494
4
2
|
8.
143 + 432 =
2
3
575
4
|
|
9.
945 + 44 =
4
2
3
989
|
10.
208 – 158 =
50
3
4
2
|
11.
822 – 533 =
289
2
3
4
|
12.
690 – 105 =
2
4
3
585
|
|
13.
34 + 38 =
72
4
2
3
|
14.
44 + 496 =
540
2
4
3
|
15.
279 – 215 =
64
4
3
2
|
16.
20 – 10 =
3
1
10
2
|
|
17.
276 – 112 =
3
4
2
164
|
18.
471 – 459 =
1
3
12
2
|
19.
369 + 376 =
745
2
4
3
|
20.
35 – 8 =
2
27
4
3
|