Erbijsommen t/m 500
Optellen
| 1. | 185 + 159 = |
203
|
344
|
450
|
474
|
| 2. | 195 + 189 = |
384
|
240
|
425
|
457
|
| 3. | 146 + 127 = |
350
|
423
|
273
|
221
|
| 4. | 231 + 55 = |
268
|
425
|
437
|
286
|
| 5. | 233 + 207 = |
412
|
459
|
440
|
430
|
| 6. | 231 + 195 = |
426
|
480
|
200
|
348
|
| 7. | 152 + 64 = |
216
|
468
|
447
|
450
|
| 8. | 124 + 109 = |
233
|
472
|
357
|
376
|
| 9. | 209 + 156 = |
493
|
410
|
365
|
422
|
| 10. | 201 + 157 = |
454
|
456
|
366
|
358
|
| 11. | 100 + 61 = |
161
|
166
|
140
|
185
|
| 12. | 248 + 233 = |
357
|
268
|
481
|
332
|