Erbijsommen t/m 1.000
Optellen
| 1. | 412 + 295 = |
839
|
900
|
707
|
505
|
| 2. | 499 + 343 = |
866
|
833
|
599
|
842
|
| 3. | 448 + 232 = |
585
|
783
|
680
|
778
|
| 4. | 479 + 119 = |
598
|
979
|
612
|
750
|
| 5. | 394 + 147 = |
541
|
890
|
882
|
693
|
| 6. | 337 + 155 = |
438
|
492
|
221
|
468
|
| 7. | 381 + 241 = |
792
|
627
|
527
|
622
|
| 8. | 306 + 243 = |
549
|
859
|
541
|
507
|
| 9. | 332 + 180 = |
938
|
796
|
512
|
900
|
| 10. | 305 + 255 = |
743
|
560
|
612
|
537
|
| 11. | 238 + 228 = |
466
|
384
|
207
|
211
|
| 12. | 450 + 403 = |
705
|
853
|
622
|
670
|