Erbijsommen t/m 1.000
Optellen
| 1. | 331 + 244 = |
566
|
981
|
575
|
550
|
| 2. | 488 + 290 = |
810
|
614
|
844
|
778
|
| 3. | 241 + 139 = |
380
|
367
|
382
|
255
|
| 4. | 306 + 201 = |
559
|
513
|
904
|
507
|
| 5. | 471 + 260 = |
731
|
560
|
964
|
688
|
| 6. | 269 + 230 = |
499
|
318
|
442
|
497
|
| 7. | 398 + 249 = |
921
|
865
|
647
|
936
|
| 8. | 322 + 301 = |
623
|
525
|
744
|
803
|
| 9. | 193 + 173 = |
266
|
314
|
411
|
366
|
| 10. | 418 + 157 = |
549
|
992
|
747
|
575
|
| 11. | 360 + 174 = |
534
|
587
|
871
|
751
|
| 12. | 449 + 421 = |
901
|
678
|
870
|
770
|