Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
647 – 150 =
4
3
497
2
|
2.
10 + 632 =
4
642
2
3
|
3.
68 – 43 =
25
3
4
2
|
4.
166 + 581 =
4
747
2
3
|
|
5.
279 + 143 =
422
4
3
2
|
6.
201 + 164 =
365
4
3
2
|
7.
953 – 235 =
3
4
718
2
|
8.
191 + 286 =
2
477
3
4
|
|
9.
922 – 87 =
4
835
2
3
|
10.
827 – 601 =
3
226
4
2
|
11.
982 – 546 =
3
436
4
2
|
12.
258 + 148 =
4
2
3
406
|
|
13.
823 – 257 =
566
3
2
4
|
14.
467 – 319 =
3
4
2
148
|
15.
472 – 198 =
4
274
2
3
|
16.
309 – 289 =
3
20
4
2
|
|
17.
359 + 349 =
2
4
3
708
|
18.
18 – 12 =
1
2
3
6
|
19.
251 + 183 =
3
434
4
2
|
20.
609 – 544 =
2
3
4
65
|