Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	430	+		=	845
2.	520	+		=	851
3.	838	+		=	1.582
4.	848	+		=	1.270
5.	829	+		=	1.037
6.	614	+		=	956
7.	729	+		=	1.116
8.	914	+		=	1.772
9.	605	+		=	821
10.	412	+		=	821

Oefening 2
1.	778	+		=	1.476
2.	590	+		=	839
3.	812	+		=	1.178
4.	697	+		=	1.141
5.	990	+		=	1.715
6.	919	+		=	1.628
7.	936	+		=	1.480
8.	559	+		=	856
9.	794	+		=	1.252
10.	572	+		=	936

Oefening 3
1.	694	+		=	922
2.	691	+		=	1.295
3.	704	+		=	1.045
4.	982	+		=	1.208
5.	766	+		=	1.431
6.	719	+		=	968
7.	552	+		=	955
8.	758	+		=	973
9.	490	+		=	789
10.	853	+		=	1.624

Oefening 4
1.	456	+		=	902
2.	902	+		=	1.492
3.	501	+		=	985
4.	737	+		=	986
5.	978	+		=	1.224
6.	926	+		=	1.748
7.	965	+		=	1.563
8.	994	+		=	1.934
9.	798	+		=	1.348
10.	893	+		=	1.108

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	430	+	415	=	845
2.	520	+	331	=	851
3.	838	+	744	=	1.582
4.	848	+	422	=	1.270
5.	829	+	208	=	1.037
6.	614	+	342	=	956
7.	729	+	387	=	1.116
8.	914	+	858	=	1.772
9.	605	+	216	=	821
10.	412	+	409	=	821

Oefening 2
1.	778	+	698	=	1.476
2.	590	+	249	=	839
3.	812	+	366	=	1.178
4.	697	+	444	=	1.141
5.	990	+	725	=	1.715
6.	919	+	709	=	1.628
7.	936	+	544	=	1.480
8.	559	+	297	=	856
9.	794	+	458	=	1.252
10.	572	+	364	=	936

Oefening 3
1.	694	+	228	=	922
2.	691	+	604	=	1.295
3.	704	+	341	=	1.045
4.	982	+	226	=	1.208
5.	766	+	665	=	1.431
6.	719	+	249	=	968
7.	552	+	403	=	955
8.	758	+	215	=	973
9.	490	+	299	=	789
10.	853	+	771	=	1.624

Oefening 4
1.	456	+	446	=	902
2.	902	+	590	=	1.492
3.	501	+	484	=	985
4.	737	+	249	=	986
5.	978	+	246	=	1.224
6.	926	+	822	=	1.748
7.	965	+	598	=	1.563
8.	994	+	940	=	1.934
9.	798	+	550	=	1.348
10.	893	+	215	=	1.108