Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
450 + 337 =
787
2
4
3
|
2.
37 + 320 =
357
4
3
2
|
3.
385 + 102 =
2
487
3
4
|
4.
924 + 55 =
3
979
2
4
|
|
5.
991 – 250 =
3
4
2
741
|
6.
593 + 235 =
2
828
4
3
|
7.
325 + 642 =
4
967
3
2
|
8.
89 + 460 =
549
2
4
3
|
|
9.
816 + 159 =
3
2
4
975
|
10.
326 – 156 =
4
3
2
170
|
11.
869 – 85 =
2
784
3
4
|
12.
304 – 58 =
4
3
246
2
|
|
13.
138 – 44 =
3
94
4
2
|
14.
749 + 244 =
993
2
4
3
|
15.
343 + 344 =
4
687
2
3
|
16.
354 – 118 =
4
3
2
236
|
|
17.
432 – 278 =
4
154
3
2
|
18.
316 + 84 =
2
3
400
4
|
19.
174 + 48 =
3
2
4
222
|
20.
899 + 79 =
978
2
4
3
|