Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
469 – 96 =
3
373
2
4
|
2.
694 + 61 =
2
755
4
3
|
3.
616 + 307 =
3
4
923
2
|
4.
255 + 334 =
589
2
3
4
|
|
5.
751 – 747 =
3
4
1
2
|
6.
519 + 466 =
4
2
985
3
|
7.
357 + 561 =
4
2
3
918
|
8.
572 + 157 =
3
729
4
2
|
|
9.
796 – 515 =
2
3
281
4
|
10.
588 – 212 =
376
3
2
4
|
11.
635 + 151 =
786
2
4
3
|
12.
346 + 41 =
4
3
387
2
|
|
13.
717 + 252 =
4
969
2
3
|
14.
429 + 159 =
3
2
4
588
|
15.
880 – 709 =
171
4
3
2
|
16.
868 + 45 =
2
4
913
3
|
|
17.
695 – 75 =
3
2
4
620
|
18.
584 – 527 =
4
3
2
57
|
19.
969 – 239 =
4
3
2
730
|
20.
741 + 11 =
3
4
752
2
|