Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
507 + 261 =
2
768
|
2.
26 + 964 =
2
990
|
3.
494 + 264 =
2
758
|
4.
839 + 54 =
893
2
|
|
5.
872 + 20 =
892
2
|
6.
967 + 22 =
2
989
|
7.
478 + 371 =
2
849
|
8.
215 – 201 =
14
1
|
|
9.
861 – 80 =
781
2
|
10.
980 – 159 =
2
821
|
11.
246 + 239 =
485
2
|
12.
688 + 103 =
791
2
|
|
13.
498 – 188 =
310
2
|
14.
742 + 52 =
794
2
|
15.
296 + 61 =
2
357
|
16.
918 + 72 =
2
990
|
|
17.
968 – 131 =
837
2
|
18.
896 + 31 =
2
927
|
19.
148 – 146 =
2
1
|
20.
283 + 316 =
2
599
|