Erbijsommen t/m 1.000
Optellen
| 1. | 423 + 270 = |
661
|
693
|
983
|
946
|
| 2. | 180 + 163 = |
312
|
343
|
386
|
225
|
| 3. | 303 + 228 = |
611
|
798
|
920
|
531
|
| 4. | 169 + 144 = |
472
|
374
|
313
|
401
|
| 5. | 353 + 203 = |
503
|
800
|
556
|
659
|
| 6. | 482 + 247 = |
935
|
778
|
729
|
910
|
| 7. | 488 + 321 = |
707
|
539
|
809
|
912
|
| 8. | 357 + 220 = |
577
|
751
|
854
|
994
|
| 9. | 335 + 308 = |
624
|
643
|
781
|
963
|
| 10. | 430 + 309 = |
906
|
546
|
856
|
739
|
| 11. | 240 + 183 = |
423
|
368
|
490
|
326
|
| 12. | 463 + 352 = |
695
|
571
|
815
|
866
|