Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
493 + 385 =
3
878
4
2
|
2.
914 – 238 =
2
676
3
4
|
3.
941 + 54 =
4
2
995
3
|
4.
985 + 8 =
2
3
993
4
|
|
5.
73 + 723 =
796
3
2
4
|
6.
552 + 150 =
702
3
2
4
|
7.
962 + 16 =
2
978
3
4
|
8.
359 – 19 =
2
3
4
340
|
|
9.
709 + 289 =
4
998
3
2
|
10.
416 + 316 =
732
4
3
2
|
11.
469 + 348 =
817
3
4
2
|
12.
509 + 116 =
4
2
625
3
|
|
13.
841 – 257 =
4
584
2
3
|
14.
584 – 563 =
3
4
21
2
|
15.
324 – 291 =
33
3
2
4
|
16.
574 + 90 =
4
3
2
664
|
|
17.
585 – 30 =
555
2
4
3
|
18.
426 – 417 =
2
9
3
1
|
19.
920 – 539 =
2
4
381
3
|
20.
423 – 142 =
3
281
2
4
|