Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
28 + 260 =
4
3
2
288
|
2.
227 + 424 =
651
3
4
2
|
3.
719 – 116 =
4
3
603
2
|
4.
223 + 359 =
2
582
3
4
|
|
5.
992 + 8 =
1000
3
4
2
|
6.
597 + 192 =
789
3
2
4
|
7.
380 + 142 =
2
4
3
522
|
8.
243 + 612 =
4
855
2
3
|
|
9.
189 + 280 =
469
3
4
2
|
10.
678 – 81 =
597
4
2
3
|
11.
22 + 280 =
4
3
2
302
|
12.
79 + 369 =
4
2
448
3
|
|
13.
540 – 404 =
2
136
3
4
|
14.
330 – 308 =
4
3
22
2
|
15.
166 + 1 =
3
167
2
4
|
16.
34 – 26 =
8
2
1
3
|
|
17.
418 – 97 =
3
2
4
321
|
18.
719 – 666 =
2
3
4
53
|
19.
738 – 553 =
2
4
3
185
|
20.
864 – 279 =
4
585
2
3
|