Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
812 – 220 =
2
3
592
4
|
2.
699 + 277 =
2
976
4
3
|
3.
420 – 51 =
369
3
4
2
|
4.
366 – 142 =
224
4
2
3
|
|
5.
288 + 417 =
3
2
705
4
|
6.
352 + 407 =
4
2
3
759
|
7.
747 + 239 =
986
2
4
3
|
8.
765 – 471 =
294
3
4
2
|
|
9.
42 + 301 =
4
2
3
343
|
10.
155 – 33 =
2
4
122
3
|
11.
443 + 239 =
3
682
4
2
|
12.
351 + 297 =
3
648
4
2
|
|
13.
59 + 583 =
3
2
642
4
|
14.
945 – 921 =
2
4
24
3
|
15.
595 – 570 =
25
4
2
3
|
16.
160 – 8 =
152
4
2
3
|
|
17.
92 + 899 =
3
2
991
4
|
18.
723 – 642 =
4
2
3
81
|
19.
146 + 234 =
2
3
4
380
|
20.
243 – 19 =
4
3
224
2
|