Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
250 – 10 =
3
4
240
2
|
2.
129 + 849 =
978
2
4
3
|
3.
577 – 558 =
4
3
2
19
|
4.
22 – 10 =
2
3
1
12
|
|
5.
395 – 277 =
4
2
118
3
|
6.
165 + 107 =
3
2
272
4
|
7.
518 – 199 =
3
319
4
2
|
8.
139 – 135 =
1
3
2
4
|
|
9.
325 – 271 =
4
54
2
3
|
10.
309 + 77 =
386
2
3
4
|
11.
752 + 114 =
866
4
2
3
|
12.
819 – 538 =
2
281
4
3
|
|
13.
177 + 540 =
2
3
717
4
|
14.
735 – 105 =
2
4
630
3
|
15.
254 + 413 =
667
2
4
3
|
16.
225 + 148 =
3
4
2
373
|
|
17.
389 + 25 =
4
2
3
414
|
18.
620 + 22 =
4
3
642
2
|
19.
354 + 81 =
435
2
4
3
|
20.
649 + 343 =
2
992
3
4
|