Erbijsommen t/m 1.000
Optellen
| 1. | 285 + 180 = |
312
|
367
|
491
|
465
|
| 2. | 328 + 200 = |
976
|
640
|
915
|
528
|
| 3. | 309 + 105 = |
347
|
418
|
414
|
307
|
| 4. | 449 + 186 = |
645
|
635
|
800
|
1.000
|
| 5. | 461 + 311 = |
772
|
655
|
681
|
609
|
| 6. | 289 + 194 = |
483
|
414
|
470
|
290
|
| 7. | 382 + 286 = |
558
|
541
|
970
|
668
|
| 8. | 232 + 145 = |
310
|
377
|
340
|
457
|
| 9. | 462 + 371 = |
804
|
826
|
787
|
833
|
| 10. | 470 + 269 = |
771
|
794
|
739
|
601
|
| 11. | 320 + 310 = |
504
|
630
|
793
|
678
|
| 12. | 415 + 240 = |
849
|
659
|
840
|
655
|