Erbijsommen t/m 500
Optellen
| 1. | 143 + 63 = |
206
|
483
|
426
|
338
|
| 2. | 222 + 118 = |
499
|
317
|
279
|
340
|
| 3. | 248 + 233 = |
481
|
497
|
271
|
224
|
| 4. | 182 + 173 = |
216
|
355
|
464
|
385
|
| 5. | 227 + 90 = |
317
|
483
|
224
|
272
|
| 6. | 150 + 144 = |
278
|
429
|
294
|
457
|
| 7. | 97 + 64 = |
161
|
127
|
130
|
122
|
| 8. | 235 + 88 = |
363
|
220
|
252
|
323
|
| 9. | 166 + 109 = |
441
|
275
|
345
|
400
|
| 10. | 233 + 122 = |
211
|
355
|
345
|
240
|
| 11. | 168 + 94 = |
345
|
377
|
262
|
480
|
| 12. | 176 + 51 = |
315
|
227
|
347
|
321
|