Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
881 – 536 =
345
2
3
4
|
2.
437 – 125 =
4
2
312
3
|
3.
924 + 29 =
953
4
2
3
|
4.
580 + 326 =
906
2
3
4
|
|
5.
844 + 15 =
3
2
4
859
|
6.
804 – 278 =
2
526
3
4
|
7.
130 – 13 =
3
4
2
117
|
8.
130 + 430 =
4
3
2
560
|
|
9.
81 + 297 =
3
2
378
4
|
10.
929 – 527 =
402
3
4
2
|
11.
725 + 185 =
2
4
910
3
|
12.
272 + 556 =
4
2
828
3
|
|
13.
191 + 798 =
2
989
3
4
|
14.
61 + 462 =
523
3
4
2
|
15.
421 + 30 =
4
2
451
3
|
16.
290 – 24 =
4
3
2
266
|
|
17.
184 + 22 =
3
2
4
206
|
18.
315 – 214 =
2
3
4
101
|
19.
445 + 210 =
2
3
655
4
|
20.
37 + 515 =
4
552
2
3
|