Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
249 + 544 =
4
2
793
3
|
2.
115 + 374 =
2
4
489
3
|
3.
904 + 44 =
2
4
3
948
|
4.
619 – 202 =
4
2
417
3
|
|
5.
63 – 40 =
23
3
2
4
|
6.
475 – 7 =
2
4
468
3
|
7.
184 – 132 =
52
4
3
2
|
8.
421 – 297 =
2
124
4
3
|
|
9.
977 – 303 =
4
674
3
2
|
10.
516 + 452 =
968
3
4
2
|
11.
558 + 129 =
4
3
2
687
|
12.
667 – 395 =
2
4
3
272
|
|
13.
763 – 577 =
2
4
3
186
|
14.
957 – 317 =
3
2
4
640
|
15.
446 – 41 =
3
405
2
4
|
16.
180 – 61 =
4
3
2
119
|
|
17.
28 – 2 =
4
3
26
2
|
18.
950 + 7 =
2
3
957
4
|
19.
918 + 10 =
2
928
4
3
|
20.
391 + 473 =
864
4
2
3
|