Erbijsommen t/m 1.000
Optellen
| 1. | 342 + 155 = |
489
|
220
|
497
|
457
|
| 2. | 261 + 229 = |
291
|
385
|
400
|
490
|
| 3. | 160 + 140 = |
446
|
300
|
225
|
383
|
| 4. | 439 + 361 = |
728
|
828
|
800
|
738
|
| 5. | 299 + 119 = |
480
|
418
|
325
|
230
|
| 6. | 471 + 128 = |
599
|
656
|
898
|
874
|
| 7. | 334 + 275 = |
750
|
855
|
609
|
853
|
| 8. | 140 + 122 = |
300
|
491
|
262
|
449
|
| 9. | 346 + 327 = |
673
|
606
|
707
|
574
|
| 10. | 484 + 155 = |
683
|
913
|
639
|
520
|
| 11. | 493 + 321 = |
814
|
937
|
911
|
998
|
| 12. | 340 + 266 = |
875
|
895
|
606
|
964
|