Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
169 + 498 =
3
4
2
667
|
2.
110 + 507 =
3
2
4
617
|
3.
143 – 122 =
2
3
21
4
|
4.
720 + 33 =
753
3
4
2
|
|
5.
180 + 406 =
4
2
586
3
|
6.
938 – 753 =
2
185
4
3
|
7.
761 – 477 =
2
3
4
284
|
8.
832 – 577 =
4
2
3
255
|
|
9.
473 + 405 =
2
878
3
4
|
10.
269 + 540 =
4
2
3
809
|
11.
278 + 221 =
3
2
499
4
|
12.
81 – 5 =
4
3
2
76
|
|
13.
606 – 415 =
191
4
2
3
|
14.
309 – 102 =
2
3
207
4
|
15.
356 – 181 =
2
3
175
4
|
16.
677 – 624 =
53
3
2
4
|
|
17.
778 – 366 =
3
412
4
2
|
18.
254 + 477 =
4
731
3
2
|
19.
953 – 786 =
4
167
3
2
|
20.
143 – 111 =
2
4
3
32
|