Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
567 – 527 =
2
4
40
3
|
2.
75 + 589 =
2
4
664
3
|
3.
396 – 105 =
4
3
291
2
|
4.
194 – 168 =
4
3
2
26
|
|
5.
654 – 496 =
3
158
4
2
|
6.
432 + 491 =
923
4
3
2
|
7.
600 + 380 =
980
4
3
2
|
8.
586 + 288 =
874
2
4
3
|
|
9.
115 – 70 =
4
2
3
45
|
10.
451 + 287 =
3
4
2
738
|
11.
622 + 248 =
870
2
3
4
|
12.
547 + 313 =
4
3
860
2
|
|
13.
150 – 115 =
35
4
2
3
|
14.
236 – 38 =
198
3
4
2
|
15.
422 + 254 =
2
3
676
4
|
16.
800 + 4 =
804
3
4
2
|
|
17.
397 + 405 =
3
2
4
802
|
18.
486 – 233 =
2
4
3
253
|
19.
133 – 104 =
4
2
29
3
|
20.
491 + 508 =
4
3
2
999
|