Erbijsommen t/m 1.000
Optellen
| 1. | 266 + 218 = |
484
|
297
|
287
|
309
|
| 2. | 377 + 213 = |
590
|
667
|
692
|
720
|
| 3. | 492 + 442 = |
934
|
767
|
903
|
741
|
| 4. | 276 + 182 = |
205
|
458
|
340
|
298
|
| 5. | 371 + 111 = |
269
|
482
|
300
|
298
|
| 6. | 494 + 126 = |
979
|
620
|
977
|
692
|
| 7. | 495 + 147 = |
563
|
642
|
611
|
607
|
| 8. | 288 + 148 = |
317
|
339
|
262
|
436
|
| 9. | 302 + 248 = |
511
|
990
|
550
|
605
|
| 10. | 445 + 445 = |
620
|
645
|
502
|
890
|
| 11. | 274 + 181 = |
455
|
261
|
212
|
350
|
| 12. | 491 + 232 = |
723
|
981
|
693
|
539
|