Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	611	+		=	814
2.	768	+		=	1.235
3.	661	+		=	933
4.	972	+		=	1.510
5.	618	+		=	1.066
6.	537	+		=	956
7.	796	+		=	1.252
8.	667	+		=	919
9.	615	+		=	1.065
10.	693	+		=	1.351

Oefening 2
1.	490	+		=	893
2.	921	+		=	1.777
3.	768	+		=	991
4.	740	+		=	1.143
5.	432	+		=	742
6.	949	+		=	1.422
7.	322	+		=	639
8.	379	+		=	701
9.	477	+		=	839
10.	746	+		=	1.152

Oefening 3
1.	956	+		=	1.841
2.	889	+		=	1.467
3.	509	+		=	886
4.	980	+		=	1.836
5.	708	+		=	1.339
6.	486	+		=	840
7.	998	+		=	1.609
8.	489	+		=	752
9.	798	+		=	1.475
10.	343	+		=	573

Oefening 4
1.	871	+		=	1.626
2.	707	+		=	956
3.	811	+		=	1.344
4.	672	+		=	1.250
5.	689	+		=	897
6.	481	+		=	902
7.	508	+		=	885
8.	797	+		=	1.000
9.	852	+		=	1.427
10.	321	+		=	574

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	611	+	203	=	814
2.	768	+	467	=	1.235
3.	661	+	272	=	933
4.	972	+	538	=	1.510
5.	618	+	448	=	1.066
6.	537	+	419	=	956
7.	796	+	456	=	1.252
8.	667	+	252	=	919
9.	615	+	450	=	1.065
10.	693	+	658	=	1.351

Oefening 2
1.	490	+	403	=	893
2.	921	+	856	=	1.777
3.	768	+	223	=	991
4.	740	+	403	=	1.143
5.	432	+	310	=	742
6.	949	+	473	=	1.422
7.	322	+	317	=	639
8.	379	+	322	=	701
9.	477	+	362	=	839
10.	746	+	406	=	1.152

Oefening 3
1.	956	+	885	=	1.841
2.	889	+	578	=	1.467
3.	509	+	377	=	886
4.	980	+	856	=	1.836
5.	708	+	631	=	1.339
6.	486	+	354	=	840
7.	998	+	611	=	1.609
8.	489	+	263	=	752
9.	798	+	677	=	1.475
10.	343	+	230	=	573

Oefening 4
1.	871	+	755	=	1.626
2.	707	+	249	=	956
3.	811	+	533	=	1.344
4.	672	+	578	=	1.250
5.	689	+	208	=	897
6.	481	+	421	=	902
7.	508	+	377	=	885
8.	797	+	203	=	1.000
9.	852	+	575	=	1.427
10.	321	+	253	=	574