Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
668 – 30 =
2
4
638
3
|
2.
33 – 17 =
2
16
3
4
|
3.
212 + 251 =
463
2
3
4
|
4.
643 – 578 =
4
3
65
2
|
|
5.
999 + 1 =
2
4
1000
3
|
6.
392 + 355 =
2
4
3
747
|
7.
579 – 25 =
4
2
554
3
|
8.
782 – 256 =
4
3
2
526
|
|
9.
7 – 6 =
1
2
3
4
|
10.
654 – 90 =
564
4
3
2
|
11.
432 – 199 =
3
2
4
233
|
12.
410 + 240 =
2
650
4
3
|
|
13.
580 – 379 =
4
201
3
2
|
14.
53 – 20 =
33
2
3
4
|
15.
568 + 354 =
4
922
2
3
|
16.
527 – 477 =
3
2
4
50
|
|
17.
399 – 135 =
4
2
3
264
|
18.
308 + 381 =
2
689
3
4
|
19.
554 – 268 =
3
2
286
4
|
20.
115 – 8 =
4
2
107
3
|