Erbijsommen t/m 1.000
Optellen
| 1. | 231 + 174 = |
469
|
405
|
204
|
260
|
| 2. | 316 + 228 = |
629
|
664
|
797
|
544
|
| 3. | 455 + 441 = |
738
|
653
|
667
|
896
|
| 4. | 257 + 216 = |
311
|
403
|
473
|
432
|
| 5. | 462 + 452 = |
762
|
547
|
914
|
686
|
| 6. | 443 + 130 = |
573
|
699
|
739
|
648
|
| 7. | 340 + 256 = |
752
|
629
|
596
|
647
|
| 8. | 430 + 286 = |
730
|
593
|
716
|
951
|
| 9. | 475 + 235 = |
800
|
710
|
863
|
953
|
| 10. | 375 + 372 = |
747
|
699
|
585
|
945
|
| 11. | 172 + 160 = |
210
|
332
|
225
|
334
|
| 12. | 369 + 189 = |
763
|
910
|
654
|
558
|