Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
463 – 437 =
26
4
3
2
|
2.
955 – 42 =
3
4
913
2
|
3.
756 – 713 =
4
3
2
43
|
4.
814 – 217 =
3
4
597
2
|
|
5.
762 – 32 =
730
3
2
4
|
6.
422 – 193 =
229
4
3
2
|
7.
319 + 85 =
3
4
2
404
|
8.
522 – 451 =
71
4
3
2
|
|
9.
857 – 584 =
2
4
273
3
|
10.
386 – 57 =
4
2
329
3
|
11.
91 + 232 =
3
2
4
323
|
12.
619 + 175 =
2
4
3
794
|
|
13.
814 + 42 =
4
2
3
856
|
14.
753 – 438 =
2
4
315
3
|
15.
193 + 698 =
3
2
4
891
|
16.
901 + 48 =
4
2
3
949
|
|
17.
912 + 23 =
2
935
4
3
|
18.
701 – 384 =
3
4
2
317
|
19.
444 + 62 =
506
3
2
4
|
20.
725 + 274 =
2
4
999
3
|