Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
439 + 243 =
3
682
4
2
|
2.
542 + 225 =
4
2
767
3
|
3.
214 + 281 =
2
495
3
4
|
4.
115 + 318 =
4
2
433
3
|
|
5.
976 – 433 =
543
3
4
2
|
6.
209 – 119 =
3
2
4
90
|
7.
190 + 281 =
3
471
2
4
|
8.
196 + 150 =
346
2
4
3
|
|
9.
248 + 249 =
2
497
4
3
|
10.
956 – 403 =
2
4
553
3
|
11.
478 + 453 =
4
2
931
3
|
12.
454 + 32 =
486
2
4
3
|
|
13.
681 + 269 =
2
4
950
3
|
14.
402 + 356 =
758
4
3
2
|
15.
467 – 121 =
2
3
346
4
|
16.
692 + 237 =
4
2
3
929
|
|
17.
294 – 74 =
3
220
2
4
|
18.
365 – 279 =
3
2
4
86
|
19.
106 + 525 =
631
3
4
2
|
20.
230 – 143 =
2
3
87
4
|