Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
174 – 135 =
3
39
4
2
|
2.
844 – 39 =
4
3
2
805
|
3.
832 + 141 =
3
4
973
2
|
4.
467 + 291 =
3
2
758
4
|
|
5.
573 + 101 =
674
3
4
2
|
6.
206 + 618 =
2
824
4
3
|
7.
749 – 87 =
4
2
3
662
|
8.
181 + 421 =
602
4
3
2
|
|
9.
434 + 223 =
657
2
4
3
|
10.
757 + 214 =
3
4
971
2
|
11.
982 + 3 =
2
4
985
3
|
12.
694 – 504 =
190
2
4
3
|
|
13.
468 + 100 =
2
4
3
568
|
14.
500 + 141 =
3
4
641
2
|
15.
420 + 15 =
2
4
3
435
|
16.
386 + 462 =
2
3
848
4
|
|
17.
506 – 482 =
4
24
2
3
|
18.
468 + 134 =
4
3
602
2
|
19.
69 – 58 =
11
1
2
3
|
20.
564 – 80 =
4
2
484
3
|