Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
78 – 39 =
3
4
39
2
|
2.
990 – 920 =
70
2
3
4
|
3.
847 – 530 =
3
2
4
317
|
4.
818 – 426 =
2
392
4
3
|
|
5.
331 – 52 =
3
2
279
4
|
6.
372 – 265 =
3
4
107
2
|
7.
922 – 688 =
3
2
4
234
|
8.
956 + 6 =
2
4
962
3
|
|
9.
390 – 367 =
2
23
4
3
|
10.
678 – 465 =
213
3
2
4
|
11.
139 + 274 =
2
413
4
3
|
12.
780 – 8 =
3
2
4
772
|
|
13.
85 + 563 =
4
2
648
3
|
14.
921 – 698 =
4
3
223
2
|
15.
884 – 621 =
4
263
3
2
|
16.
55 + 520 =
575
4
2
3
|
|
17.
620 – 620 =
0
2
3
4
|
18.
893 – 98 =
795
4
2
3
|
19.
50 + 562 =
2
4
3
612
|
20.
817 + 119 =
4
2
3
936
|