Erbijsommen t/m 1.000
Optellen
| 1. | 381 + 157 = |
981
|
538
|
815
|
925
|
| 2. | 320 + 220 = |
740
|
540
|
722
|
931
|
| 3. | 395 + 306 = |
985
|
701
|
666
|
933
|
| 4. | 233 + 162 = |
347
|
395
|
426
|
464
|
| 5. | 397 + 215 = |
612
|
723
|
976
|
940
|
| 6. | 433 + 186 = |
619
|
985
|
773
|
892
|
| 7. | 423 + 104 = |
517
|
527
|
796
|
980
|
| 8. | 391 + 147 = |
1.000
|
553
|
694
|
538
|
| 9. | 408 + 136 = |
544
|
549
|
706
|
893
|
| 10. | 454 + 343 = |
797
|
851
|
915
|
777
|
| 11. | 223 + 108 = |
304
|
331
|
424
|
418
|
| 12. | 459 + 274 = |
501
|
733
|
724
|
512
|