Erbijsommen t/m 1.000
Optellen
| 1. | 308 + 280 = |
519
|
588
|
833
|
680
|
| 2. | 319 + 121 = |
339
|
440
|
409
|
432
|
| 3. | 442 + 176 = |
590
|
642
|
618
|
958
|
| 4. | 359 + 254 = |
613
|
789
|
948
|
500
|
| 5. | 426 + 108 = |
708
|
807
|
796
|
534
|
| 6. | 154 + 111 = |
265
|
452
|
449
|
476
|
| 7. | 140 + 127 = |
267
|
476
|
462
|
499
|
| 8. | 423 + 104 = |
527
|
633
|
945
|
976
|
| 9. | 254 + 221 = |
214
|
274
|
239
|
475
|
| 10. | 459 + 318 = |
868
|
777
|
623
|
601
|
| 11. | 488 + 486 = |
771
|
974
|
941
|
832
|
| 12. | 451 + 284 = |
501
|
866
|
735
|
583
|