Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
972 – 807 =
3
4
2
165
|
2.
963 – 700 =
263
2
4
3
|
3.
154 – 136 =
18
4
2
3
|
4.
164 – 79 =
2
3
4
85
|
|
5.
409 + 136 =
3
545
2
4
|
6.
488 + 456 =
944
4
2
3
|
7.
861 + 4 =
865
3
4
2
|
8.
592 + 295 =
2
4
3
887
|
|
9.
424 + 440 =
864
2
4
3
|
10.
38 – 35 =
2
1
4
3
|
11.
240 + 287 =
527
3
2
4
|
12.
374 + 616 =
3
990
4
2
|
|
13.
833 + 86 =
3
4
919
2
|
14.
294 – 122 =
4
172
2
3
|
15.
460 + 107 =
3
4
2
567
|
16.
960 – 355 =
605
3
2
4
|
|
17.
498 – 95 =
2
403
3
4
|
18.
828 – 344 =
484
2
3
4
|
19.
566 + 401 =
4
3
967
2
|
20.
817 – 342 =
3
475
4
2
|