Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
581 + 19 =
600
2
3
4
|
2.
330 + 132 =
4
2
3
462
|
3.
896 + 77 =
2
3
4
973
|
4.
569 – 238 =
2
331
3
4
|
|
5.
732 + 180 =
2
3
912
4
|
6.
478 – 308 =
170
4
2
3
|
7.
781 – 425 =
2
3
356
4
|
8.
539 – 506 =
4
33
3
2
|
|
9.
395 – 310 =
85
2
4
3
|
10.
107 + 373 =
480
4
2
3
|
11.
364 + 424 =
3
2
788
4
|
12.
278 + 116 =
2
394
4
3
|
|
13.
569 – 246 =
323
4
3
2
|
14.
759 + 149 =
3
908
2
4
|
15.
522 + 305 =
827
2
3
4
|
16.
776 + 40 =
3
4
816
2
|
|
17.
412 + 157 =
4
569
3
2
|
18.
909 – 441 =
2
4
468
3
|
19.
253 + 198 =
4
3
451
2
|
20.
738 + 91 =
2
4
829
3
|