Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
81 + 47 =
4
2
3
128
|
2.
415 + 59 =
474
4
2
3
|
3.
559 + 208 =
4
3
767
2
|
4.
553 + 197 =
3
2
4
750
|
|
5.
156 + 630 =
3
4
2
786
|
6.
550 – 43 =
2
4
507
3
|
7.
986 + 12 =
3
998
4
2
|
8.
470 + 517 =
3
987
4
2
|
|
9.
597 – 576 =
21
4
3
2
|
10.
127 + 161 =
3
2
4
288
|
11.
159 + 156 =
315
2
4
3
|
12.
806 – 616 =
3
2
190
4
|
|
13.
525 + 59 =
3
584
2
4
|
14.
997 – 823 =
2
3
174
4
|
15.
705 + 110 =
815
2
4
3
|
16.
369 – 108 =
261
4
3
2
|
|
17.
536 + 294 =
2
830
4
3
|
18.
439 + 554 =
2
3
4
993
|
19.
782 – 206 =
2
3
576
4
|
20.
989 + 11 =
3
1000
4
2
|