Erbijsommen t/m 1.000
Optellen
| 1. | 396 + 351 = |
773
|
747
|
891
|
712
|
| 2. | 478 + 417 = |
651
|
895
|
825
|
687
|
| 3. | 272 + 254 = |
753
|
624
|
526
|
575
|
| 4. | 408 + 184 = |
775
|
592
|
589
|
650
|
| 5. | 495 + 313 = |
813
|
706
|
808
|
915
|
| 6. | 390 + 333 = |
761
|
723
|
764
|
646
|
| 7. | 459 + 399 = |
979
|
858
|
725
|
935
|
| 8. | 407 + 238 = |
661
|
977
|
923
|
645
|
| 9. | 431 + 271 = |
769
|
799
|
885
|
702
|
| 10. | 430 + 425 = |
937
|
515
|
786
|
855
|
| 11. | 447 + 195 = |
642
|
801
|
500
|
839
|
| 12. | 357 + 282 = |
642
|
639
|
995
|
737
|