Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
578 + 184 =
4
762
3
2
|
2.
462 + 488 =
2
4
3
950
|
3.
256 + 175 =
2
4
431
3
|
4.
375 + 486 =
2
3
4
861
|
|
5.
760 – 34 =
4
3
726
2
|
6.
146 + 368 =
3
514
4
2
|
7.
89 + 748 =
2
837
4
3
|
8.
81 + 492 =
3
4
573
2
|
|
9.
725 – 166 =
4
3
2
559
|
10.
54 + 15 =
4
3
2
69
|
11.
233 – 12 =
3
221
4
2
|
12.
187 + 456 =
4
643
2
3
|
|
13.
481 + 502 =
983
3
4
2
|
14.
114 – 33 =
2
3
81
4
|
15.
182 + 738 =
3
920
2
4
|
16.
781 – 387 =
394
4
3
2
|
|
17.
665 – 138 =
527
4
2
3
|
18.
713 + 198 =
911
3
2
4
|
19.
996 – 639 =
357
2
4
3
|
20.
747 – 394 =
4
2
3
353
|