Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
209 + 31 =
3
2
240
4
|
2.
854 – 565 =
2
289
4
3
|
3.
171 + 307 =
478
4
3
2
|
4.
102 + 94 =
2
196
4
3
|
|
5.
859 – 479 =
3
4
380
2
|
6.
261 – 151 =
2
4
3
110
|
7.
923 – 685 =
3
238
2
4
|
8.
897 + 44 =
2
941
3
4
|
|
9.
643 + 177 =
820
2
4
3
|
10.
718 – 265 =
3
453
2
4
|
11.
228 + 49 =
277
2
4
3
|
12.
279 + 311 =
3
4
590
2
|
|
13.
325 – 272 =
53
2
4
3
|
14.
581 + 220 =
3
2
4
801
|
15.
242 + 626 =
4
2
3
868
|
16.
942 + 11 =
2
3
4
953
|
|
17.
97 – 76 =
4
3
2
21
|
18.
378 + 366 =
4
2
744
3
|
19.
51 + 265 =
316
3
4
2
|
20.
201 – 170 =
31
4
2
3
|