Erbijsommen t/m 1.000
Optellen
| 1. | 454 + 425 = |
744
|
634
|
879
|
921
|
| 2. | 419 + 107 = |
509
|
526
|
565
|
804
|
| 3. | 215 + 161 = |
226
|
376
|
230
|
290
|
| 4. | 241 + 225 = |
466
|
246
|
458
|
254
|
| 5. | 370 + 186 = |
609
|
968
|
556
|
557
|
| 6. | 248 + 143 = |
205
|
247
|
391
|
405
|
| 7. | 456 + 249 = |
835
|
991
|
992
|
705
|
| 8. | 409 + 106 = |
610
|
538
|
515
|
760
|
| 9. | 229 + 168 = |
216
|
355
|
397
|
299
|
| 10. | 384 + 248 = |
531
|
856
|
632
|
640
|
| 11. | 423 + 114 = |
562
|
502
|
537
|
738
|
| 12. | 331 + 255 = |
586
|
831
|
565
|
836
|