Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
580 + 253 =
3
2
833
4
|
2.
174 + 230 =
3
404
4
2
|
3.
477 – 146 =
331
4
3
2
|
4.
115 + 288 =
4
3
2
403
|
|
5.
892 – 31 =
3
861
4
2
|
6.
10 – 4 =
1
2
3
6
|
7.
898 + 20 =
2
918
3
4
|
8.
960 – 845 =
3
2
4
115
|
|
9.
296 + 703 =
999
3
2
4
|
10.
169 – 17 =
2
152
4
3
|
11.
852 + 66 =
918
2
4
3
|
12.
296 – 287 =
9
1
2
3
|
|
13.
869 + 0 =
3
2
869
4
|
14.
891 + 26 =
4
3
2
917
|
15.
218 + 768 =
2
986
4
3
|
16.
602 + 375 =
4
2
3
977
|
|
17.
239 – 83 =
2
3
156
4
|
18.
405 + 194 =
3
2
599
4
|
19.
95 – 14 =
3
4
81
2
|
20.
827 + 77 =
2
3
904
4
|