Erbijsommen t/m 500
Optellen
| 1. | 189 + 123 = |
397
|
434
|
312
|
229
|
| 2. | 66 + 52 = |
178
|
121
|
118
|
137
|
| 3. | 177 + 84 = |
451
|
401
|
261
|
215
|
| 4. | 192 + 134 = |
338
|
326
|
376
|
470
|
| 5. | 212 + 154 = |
473
|
321
|
366
|
308
|
| 6. | 124 + 58 = |
118
|
140
|
126
|
182
|
| 7. | 171 + 140 = |
285
|
258
|
311
|
334
|
| 8. | 128 + 79 = |
450
|
207
|
289
|
403
|
| 9. | 154 + 145 = |
324
|
346
|
299
|
474
|
| 10. | 137 + 124 = |
261
|
258
|
271
|
342
|
| 11. | 180 + 152 = |
332
|
475
|
277
|
348
|
| 12. | 185 + 103 = |
420
|
288
|
492
|
484
|