Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
353 + 390 =
2
3
743
4
|
2.
312 – 188 =
3
2
124
4
|
3.
491 + 385 =
4
876
2
3
|
4.
427 + 462 =
3
889
4
2
|
|
5.
597 + 287 =
3
4
2
884
|
6.
552 – 525 =
27
4
2
3
|
7.
480 + 68 =
2
3
4
548
|
8.
806 + 103 =
4
3
909
2
|
|
9.
130 – 98 =
32
2
3
4
|
10.
9 – 2 =
3
2
1
7
|
11.
969 + 28 =
2
3
4
997
|
12.
685 – 656 =
4
3
2
29
|
|
13.
512 – 174 =
3
4
2
338
|
14.
374 + 324 =
3
4
698
2
|
15.
639 + 323 =
2
962
3
4
|
16.
885 – 403 =
2
482
4
3
|
|
17.
845 + 15 =
3
4
860
2
|
18.
315 + 44 =
3
359
2
4
|
19.
131 + 0 =
131
2
4
3
|
20.
657 + 256 =
4
913
3
2
|