Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	753	+		=	977
2.	778	+		=	1.277
3.	903	+		=	1.798
4.	625	+		=	1.120
5.	510	+		=	941
6.	973	+		=	1.301
7.	711	+		=	1.123
8.	593	+		=	799
9.	951	+		=	1.683
10.	805	+		=	1.182

Oefening 2
1.	976	+		=	1.285
2.	894	+		=	1.388
3.	959	+		=	1.472
4.	640	+		=	988
5.	581	+		=	950
6.	781	+		=	1.056
7.	638	+		=	1.152
8.	862	+		=	1.640
9.	874	+		=	1.585
10.	820	+		=	1.261

Oefening 3
1.	750	+		=	1.483
2.	832	+		=	1.154
3.	505	+		=	935
4.	534	+		=	972
5.	923	+		=	1.774
6.	592	+		=	813
7.	799	+		=	1.252
8.	559	+		=	1.016
9.	651	+		=	1.262
10.	1.000	+		=	1.710

Oefening 4
1.	338	+		=	655
2.	819	+		=	1.169
3.	702	+		=	1.393
4.	841	+		=	1.161
5.	841	+		=	1.427
6.	979	+		=	1.754
7.	772	+		=	1.081
8.	981	+		=	1.349
9.	569	+		=	866
10.	898	+		=	1.705

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	753	+	224	=	977
2.	778	+	499	=	1.277
3.	903	+	895	=	1.798
4.	625	+	495	=	1.120
5.	510	+	431	=	941
6.	973	+	328	=	1.301
7.	711	+	412	=	1.123
8.	593	+	206	=	799
9.	951	+	732	=	1.683
10.	805	+	377	=	1.182

Oefening 2
1.	976	+	309	=	1.285
2.	894	+	494	=	1.388
3.	959	+	513	=	1.472
4.	640	+	348	=	988
5.	581	+	369	=	950
6.	781	+	275	=	1.056
7.	638	+	514	=	1.152
8.	862	+	778	=	1.640
9.	874	+	711	=	1.585
10.	820	+	441	=	1.261

Oefening 3
1.	750	+	733	=	1.483
2.	832	+	322	=	1.154
3.	505	+	430	=	935
4.	534	+	438	=	972
5.	923	+	851	=	1.774
6.	592	+	221	=	813
7.	799	+	453	=	1.252
8.	559	+	457	=	1.016
9.	651	+	611	=	1.262
10.	1.000	+	710	=	1.710

Oefening 4
1.	338	+	317	=	655
2.	819	+	350	=	1.169
3.	702	+	691	=	1.393
4.	841	+	320	=	1.161
5.	841	+	586	=	1.427
6.	979	+	775	=	1.754
7.	772	+	309	=	1.081
8.	981	+	368	=	1.349
9.	569	+	297	=	866
10.	898	+	807	=	1.705