Erbijsommen t/m 500
Optellen
| 1. | 219 + 167 = |
311
|
474
|
386
|
340
|
| 2. | 211 + 170 = |
381
|
255
|
410
|
456
|
| 3. | 192 + 177 = |
369
|
220
|
321
|
251
|
| 4. | 120 + 50 = |
131
|
170
|
147
|
181
|
| 5. | 77 + 51 = |
162
|
128
|
180
|
117
|
| 6. | 229 + 140 = |
391
|
267
|
369
|
473
|
| 7. | 226 + 77 = |
272
|
279
|
241
|
303
|
| 8. | 249 + 235 = |
381
|
453
|
433
|
484
|
| 9. | 132 + 103 = |
287
|
470
|
235
|
365
|
| 10. | 211 + 55 = |
373
|
266
|
463
|
334
|
| 11. | 220 + 94 = |
399
|
351
|
314
|
231
|
| 12. | 242 + 146 = |
388
|
387
|
497
|
312
|