Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
393 – 97 =
296
4
3
2
|
2.
539 + 95 =
4
2
634
3
|
3.
811 – 512 =
299
3
2
4
|
4.
323 – 84 =
2
3
4
239
|
|
5.
167 – 108 =
4
59
2
3
|
6.
523 – 208 =
315
2
3
4
|
7.
698 + 205 =
903
4
2
3
|
8.
143 – 102 =
3
2
41
4
|
|
9.
54 + 641 =
3
4
695
2
|
10.
102 – 43 =
2
3
59
4
|
11.
463 + 407 =
4
2
870
3
|
12.
963 – 345 =
4
618
3
2
|
|
13.
762 + 237 =
3
4
999
2
|
14.
10 – 2 =
8
3
2
1
|
15.
536 – 447 =
3
4
2
89
|
16.
691 – 415 =
276
4
3
2
|
|
17.
850 + 54 =
2
904
3
4
|
18.
668 – 365 =
303
4
2
3
|
19.
41 – 20 =
4
2
3
21
|
20.
935 + 49 =
3
4
984
2
|