Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
533 – 228 =
2
305
3
4
|
2.
904 + 93 =
3
997
2
4
|
3.
294 + 14 =
4
3
308
2
|
4.
354 + 113 =
467
2
3
4
|
|
5.
53 – 25 =
3
28
4
2
|
6.
69 – 56 =
1
13
2
3
|
7.
251 + 313 =
2
564
4
3
|
8.
847 + 132 =
2
979
3
4
|
|
9.
44 + 194 =
2
4
3
238
|
10.
158 – 71 =
3
87
4
2
|
11.
846 + 25 =
2
3
4
871
|
12.
322 – 296 =
3
2
26
4
|
|
13.
456 – 72 =
384
2
4
3
|
14.
437 + 29 =
2
466
4
3
|
15.
221 – 46 =
4
3
2
175
|
16.
715 + 149 =
864
4
2
3
|
|
17.
752 – 467 =
2
4
285
3
|
18.
665 + 334 =
999
4
2
3
|
19.
539 + 164 =
3
2
703
4
|
20.
220 – 68 =
152
2
3
4
|