Erbijsommen t/m 1.000
Optellen
| 1. | 364 + 283 = |
826
|
584
|
614
|
647
|
| 2. | 281 + 139 = |
233
|
333
|
493
|
420
|
| 3. | 291 + 173 = |
464
|
255
|
378
|
309
|
| 4. | 424 + 383 = |
503
|
807
|
632
|
782
|
| 5. | 420 + 182 = |
611
|
602
|
992
|
877
|
| 6. | 431 + 149 = |
620
|
580
|
910
|
669
|
| 7. | 431 + 266 = |
697
|
517
|
791
|
683
|
| 8. | 477 + 342 = |
718
|
862
|
549
|
819
|
| 9. | 446 + 423 = |
940
|
525
|
869
|
925
|
| 10. | 486 + 468 = |
955
|
852
|
502
|
954
|
| 11. | 146 + 116 = |
200
|
411
|
262
|
321
|
| 12. | 340 + 328 = |
698
|
810
|
668
|
797
|