Erbijsommen tot en met 2.000

Erbijsommen
1. 331 + 311 =
642
907
744
633
2. 918 + 532 =
1.893
1.350
1.559
1.450
3. 280 + 273 =
553
649
759
539
4. 583 + 551 =
1.134
1.310
1.052
1.876
5. 859 + 202 =
1.623
1.061
1.980
1.764
6. 221 + 209 =
430
307
230
262
7. 953 + 648 =
1.601
1.459
1.059
1.677
8. 680 + 243 =
568
547
923
526
9. 729 + 633 =
1.009
1.362
1.468
1.357
10. 820 + 527 =
1.109
1.347
1.862
1.175
11. 877 + 700 =
1.150
1.577
1.337
1.378
12. 907 + 801 =
1.708
1.090
1.049
1.637

Erbijsommen tot en met 2.000
| ANTWOORDEN

Erbijsommen
1. 331 + 311 =
642
907
744
633
2. 918 + 532 =
1.893
1.350
1.559
1.450
3. 280 + 273 =
553
649
759
539
4. 583 + 551 =
1.134
1.310
1.052
1.876
5. 859 + 202 =
1.623
1.061
1.980
1.764
6. 221 + 209 =
430
307
230
262
7. 953 + 648 =
1.601
1.459
1.059
1.677
8. 680 + 243 =
568
547
923
526
9. 729 + 633 =
1.009
1.362
1.468
1.357
10. 820 + 527 =
1.109
1.347
1.862
1.175
11. 877 + 700 =
1.150
1.577
1.337
1.378
12. 907 + 801 =
1.708
1.090
1.049
1.637