Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
556 – 280 =
2
3
276
4
|
2.
825 – 724 =
4
101
3
2
|
3.
58 + 842 =
2
900
4
3
|
4.
171 + 529 =
2
700
4
3
|
|
5.
665 – 634 =
3
31
2
4
|
6.
534 – 272 =
3
2
4
262
|
7.
282 + 456 =
3
4
738
2
|
8.
997 + 0 =
3
4
2
997
|
|
9.
928 – 917 =
2
3
1
11
|
10.
885 – 76 =
3
4
809
2
|
11.
362 – 68 =
4
294
3
2
|
12.
113 + 257 =
2
4
370
3
|
|
13.
740 + 185 =
2
925
4
3
|
14.
684 – 86 =
2
4
3
598
|
15.
16 – 4 =
3
1
12
2
|
16.
574 – 123 =
2
3
451
4
|
|
17.
367 + 350 =
2
717
4
3
|
18.
850 – 494 =
4
2
3
356
|
19.
776 – 760 =
16
4
3
2
|
20.
580 + 266 =
3
846
2
4
|