Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
989 – 816 =
173
4
3
2
|
2.
526 – 472 =
4
2
3
54
|
3.
55 + 684 =
3
739
2
4
|
4.
400 + 47 =
2
447
3
4
|
|
5.
747 – 2 =
2
3
745
4
|
6.
914 + 0 =
2
3
4
914
|
7.
209 – 133 =
76
3
2
4
|
8.
694 – 509 =
3
185
2
4
|
|
9.
21 + 122 =
3
4
2
143
|
10.
921 – 690 =
3
231
2
4
|
11.
75 – 48 =
27
2
3
4
|
12.
515 – 227 =
2
288
3
4
|
|
13.
599 – 419 =
3
2
180
4
|
14.
764 + 134 =
898
4
2
3
|
15.
194 + 98 =
2
4
292
3
|
16.
126 – 57 =
69
4
2
3
|
|
17.
226 + 358 =
3
2
4
584
|
18.
822 – 744 =
4
2
3
78
|
19.
287 + 177 =
4
3
464
2
|
20.
484 – 218 =
2
3
266
4
|