Erbijsommen t/m 1.000
Optellen
| 1. | 343 + 253 = |
604
|
596
|
702
|
601
|
| 2. | 383 + 285 = |
742
|
867
|
905
|
668
|
| 3. | 430 + 214 = |
644
|
713
|
518
|
685
|
| 4. | 390 + 269 = |
703
|
668
|
784
|
659
|
| 5. | 368 + 102 = |
414
|
299
|
470
|
337
|
| 6. | 481 + 359 = |
840
|
727
|
875
|
552
|
| 7. | 258 + 215 = |
473
|
282
|
336
|
457
|
| 8. | 491 + 185 = |
676
|
766
|
696
|
635
|
| 9. | 306 + 182 = |
224
|
488
|
336
|
255
|
| 10. | 490 + 437 = |
739
|
728
|
603
|
927
|
| 11. | 405 + 381 = |
504
|
786
|
894
|
760
|
| 12. | 440 + 167 = |
555
|
607
|
725
|
878
|