Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	361	+		=	678
2.	902	+		=	1.696
3.	839	+		=	1.191
4.	728	+		=	982
5.	928	+		=	1.805
6.	808	+		=	1.469
7.	625	+		=	903
8.	980	+		=	1.686
9.	801	+		=	1.296
10.	588	+		=	900

Oefening 2
1.	776	+		=	1.147
2.	736	+		=	965
3.	689	+		=	1.154
4.	602	+		=	1.091
5.	661	+		=	977
6.	604	+		=	909
7.	816	+		=	1.368
8.	889	+		=	1.239
9.	769	+		=	975
10.	556	+		=	920

Oefening 3
1.	784	+		=	1.254
2.	811	+		=	1.057
3.	548	+		=	992
4.	737	+		=	1.390
5.	779	+		=	1.506
6.	674	+		=	1.097
7.	707	+		=	965
8.	960	+		=	1.885
9.	346	+		=	639
10.	850	+		=	1.454

Oefening 4
1.	994	+		=	1.980
2.	889	+		=	1.266
3.	851	+		=	1.237
4.	553	+		=	1.058
5.	729	+		=	1.317
6.	843	+		=	1.628
7.	478	+		=	781
8.	804	+		=	1.575
9.	844	+		=	1.167
10.	742	+		=	970

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	361	+	317	=	678
2.	902	+	794	=	1.696
3.	839	+	352	=	1.191
4.	728	+	254	=	982
5.	928	+	877	=	1.805
6.	808	+	661	=	1.469
7.	625	+	278	=	903
8.	980	+	706	=	1.686
9.	801	+	495	=	1.296
10.	588	+	312	=	900

Oefening 2
1.	776	+	371	=	1.147
2.	736	+	229	=	965
3.	689	+	465	=	1.154
4.	602	+	489	=	1.091
5.	661	+	316	=	977
6.	604	+	305	=	909
7.	816	+	552	=	1.368
8.	889	+	350	=	1.239
9.	769	+	206	=	975
10.	556	+	364	=	920

Oefening 3
1.	784	+	470	=	1.254
2.	811	+	246	=	1.057
3.	548	+	444	=	992
4.	737	+	653	=	1.390
5.	779	+	727	=	1.506
6.	674	+	423	=	1.097
7.	707	+	258	=	965
8.	960	+	925	=	1.885
9.	346	+	293	=	639
10.	850	+	604	=	1.454

Oefening 4
1.	994	+	986	=	1.980
2.	889	+	377	=	1.266
3.	851	+	386	=	1.237
4.	553	+	505	=	1.058
5.	729	+	588	=	1.317
6.	843	+	785	=	1.628
7.	478	+	303	=	781
8.	804	+	771	=	1.575
9.	844	+	323	=	1.167
10.	742	+	228	=	970