Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	556	+		=	1.023
2.	933	+		=	1.621
3.	475	+		=	888
4.	781	+		=	1.421
5.	895	+		=	1.554
6.	970	+		=	1.273
7.	452	+		=	697
8.	677	+		=	1.353
9.	916	+		=	1.282
10.	376	+		=	616

Oefening 2
1.	851	+		=	1.563
2.	637	+		=	1.063
3.	518	+		=	733
4.	831	+		=	1.257
5.	826	+		=	1.212
6.	706	+		=	1.130
7.	603	+		=	971
8.	936	+		=	1.502
9.	687	+		=	1.227
10.	474	+		=	896

Oefening 3
1.	463	+		=	686
2.	926	+		=	1.286
3.	839	+		=	1.524
4.	552	+		=	948
5.	874	+		=	1.442
6.	543	+		=	798
7.	941	+		=	1.230
8.	362	+		=	663
9.	500	+		=	874
10.	931	+		=	1.542

Oefening 4
1.	891	+		=	1.220
2.	990	+		=	1.876
3.	845	+		=	1.598
4.	831	+		=	1.456
5.	643	+		=	845
6.	560	+		=	881
7.	797	+		=	1.572
8.	878	+		=	1.603
9.	886	+		=	1.150
10.	353	+		=	580

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	556	+	467	=	1.023
2.	933	+	688	=	1.621
3.	475	+	413	=	888
4.	781	+	640	=	1.421
5.	895	+	659	=	1.554
6.	970	+	303	=	1.273
7.	452	+	245	=	697
8.	677	+	676	=	1.353
9.	916	+	366	=	1.282
10.	376	+	240	=	616

Oefening 2
1.	851	+	712	=	1.563
2.	637	+	426	=	1.063
3.	518	+	215	=	733
4.	831	+	426	=	1.257
5.	826	+	386	=	1.212
6.	706	+	424	=	1.130
7.	603	+	368	=	971
8.	936	+	566	=	1.502
9.	687	+	540	=	1.227
10.	474	+	422	=	896

Oefening 3
1.	463	+	223	=	686
2.	926	+	360	=	1.286
3.	839	+	685	=	1.524
4.	552	+	396	=	948
5.	874	+	568	=	1.442
6.	543	+	255	=	798
7.	941	+	289	=	1.230
8.	362	+	301	=	663
9.	500	+	374	=	874
10.	931	+	611	=	1.542

Oefening 4
1.	891	+	329	=	1.220
2.	990	+	886	=	1.876
3.	845	+	753	=	1.598
4.	831	+	625	=	1.456
5.	643	+	202	=	845
6.	560	+	321	=	881
7.	797	+	775	=	1.572
8.	878	+	725	=	1.603
9.	886	+	264	=	1.150
10.	353	+	227	=	580