Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
397 + 245 =
642
2
4
3
|
2.
667 + 237 =
4
2
904
3
|
3.
573 – 287 =
4
286
3
2
|
4.
216 + 154 =
370
3
4
2
|
|
5.
864 + 49 =
2
4
913
3
|
6.
575 + 394 =
3
2
969
4
|
7.
542 – 285 =
3
2
257
4
|
8.
409 + 448 =
2
4
3
857
|
|
9.
45 + 899 =
2
944
3
4
|
10.
492 – 236 =
3
2
4
256
|
11.
407 + 587 =
994
4
2
3
|
12.
816 – 458 =
2
3
4
358
|
|
13.
815 – 229 =
586
4
3
2
|
14.
616 – 59 =
557
2
4
3
|
15.
926 + 72 =
2
3
998
4
|
16.
848 – 490 =
4
3
2
358
|
|
17.
198 + 754 =
3
2
4
952
|
18.
22 + 749 =
3
771
2
4
|
19.
846 + 37 =
4
2
3
883
|
20.
289 – 141 =
148
3
2
4
|