Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
612 – 524 =
4
2
88
3
|
2.
743 + 15 =
758
2
3
4
|
3.
754 + 11 =
4
2
765
3
|
4.
818 – 685 =
2
3
133
4
|
|
5.
37 – 35 =
2
3
4
1
|
6.
659 – 371 =
4
288
2
3
|
7.
426 + 513 =
3
2
939
4
|
8.
331 – 217 =
2
114
4
3
|
|
9.
497 – 439 =
58
4
2
3
|
10.
331 – 317 =
1
3
14
2
|
11.
327 – 260 =
67
3
4
2
|
12.
529 – 297 =
3
4
2
232
|
|
13.
141 + 327 =
3
2
4
468
|
14.
400 – 42 =
2
4
358
3
|
15.
277 – 59 =
2
3
4
218
|
16.
742 – 217 =
525
3
4
2
|
|
17.
290 – 88 =
202
2
3
4
|
18.
683 + 185 =
2
868
4
3
|
19.
516 + 63 =
579
3
2
4
|
20.
271 – 154 =
3
117
2
4
|