Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	626	+		=	891
2.	954	+		=	1.841
3.	833	+		=	1.418
4.	973	+		=	1.730
5.	289	+		=	492
6.	819	+		=	1.443
7.	589	+		=	835
8.	831	+		=	1.161
9.	719	+		=	1.222
10.	740	+		=	1.438

Oefening 2
1.	574	+		=	1.107
2.	796	+		=	1.526
3.	713	+		=	1.097
4.	427	+		=	627
5.	478	+		=	795
6.	801	+		=	1.311
7.	843	+		=	1.308
8.	500	+		=	811
9.	509	+		=	799
10.	728	+		=	1.073

Oefening 3
1.	943	+		=	1.380
2.	998	+		=	1.699
3.	891	+		=	1.654
4.	467	+		=	888
5.	912	+		=	1.154
6.	888	+		=	1.497
7.	928	+		=	1.354
8.	886	+		=	1.406
9.	374	+		=	597
10.	921	+		=	1.220

Oefening 4
1.	651	+		=	971
2.	715	+		=	1.102
3.	370	+		=	691
4.	976	+		=	1.901
5.	848	+		=	1.122
6.	783	+		=	987
7.	959	+		=	1.489
8.	762	+		=	1.206
9.	606	+		=	979
10.	813	+		=	1.365

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	626	+	265	=	891
2.	954	+	887	=	1.841
3.	833	+	585	=	1.418
4.	973	+	757	=	1.730
5.	289	+	203	=	492
6.	819	+	624	=	1.443
7.	589	+	246	=	835
8.	831	+	330	=	1.161
9.	719	+	503	=	1.222
10.	740	+	698	=	1.438

Oefening 2
1.	574	+	533	=	1.107
2.	796	+	730	=	1.526
3.	713	+	384	=	1.097
4.	427	+	200	=	627
5.	478	+	317	=	795
6.	801	+	510	=	1.311
7.	843	+	465	=	1.308
8.	500	+	311	=	811
9.	509	+	290	=	799
10.	728	+	345	=	1.073

Oefening 3
1.	943	+	437	=	1.380
2.	998	+	701	=	1.699
3.	891	+	763	=	1.654
4.	467	+	421	=	888
5.	912	+	242	=	1.154
6.	888	+	609	=	1.497
7.	928	+	426	=	1.354
8.	886	+	520	=	1.406
9.	374	+	223	=	597
10.	921	+	299	=	1.220

Oefening 4
1.	651	+	320	=	971
2.	715	+	387	=	1.102
3.	370	+	321	=	691
4.	976	+	925	=	1.901
5.	848	+	274	=	1.122
6.	783	+	204	=	987
7.	959	+	530	=	1.489
8.	762	+	444	=	1.206
9.	606	+	373	=	979
10.	813	+	552	=	1.365