Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
847 – 576 =
3
4
2
271
|
2.
521 + 330 =
851
4
3
2
|
3.
961 – 440 =
3
4
2
521
|
4.
524 – 67 =
4
3
2
457
|
|
5.
514 – 338 =
2
4
3
176
|
6.
708 + 117 =
2
3
4
825
|
7.
354 – 311 =
3
2
4
43
|
8.
547 – 178 =
2
369
3
4
|
|
9.
621 – 138 =
2
4
3
483
|
10.
158 – 153 =
3
1
2
5
|
11.
32 + 471 =
3
2
4
503
|
12.
223 + 766 =
2
4
3
989
|
|
13.
708 – 181 =
3
2
4
527
|
14.
86 – 17 =
2
4
3
69
|
15.
963 + 1 =
3
2
964
4
|
16.
472 – 366 =
106
3
4
2
|
|
17.
234 – 52 =
182
2
3
4
|
18.
734 – 20 =
4
714
3
2
|
19.
998 + 0 =
2
4
3
998
|
20.
869 + 32 =
3
901
2
4
|