Erbijsommen t/m 1.000
Optellen
| 1. | 335 + 178 = |
769
|
513
|
805
|
925
|
| 2. | 464 + 133 = |
651
|
633
|
616
|
597
|
| 3. | 443 + 250 = |
693
|
576
|
844
|
747
|
| 4. | 472 + 291 = |
884
|
641
|
763
|
593
|
| 5. | 373 + 370 = |
743
|
579
|
601
|
877
|
| 6. | 328 + 326 = |
637
|
971
|
940
|
654
|
| 7. | 452 + 290 = |
994
|
605
|
742
|
679
|
| 8. | 404 + 384 = |
859
|
668
|
754
|
788
|
| 9. | 492 + 205 = |
528
|
697
|
890
|
959
|
| 10. | 187 + 173 = |
262
|
278
|
363
|
360
|
| 11. | 465 + 348 = |
754
|
813
|
726
|
816
|
| 12. | 312 + 254 = |
566
|
650
|
945
|
776
|