Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	554	+		=	995
2.	536	+		=	793
3.	1.000	+		=	1.770
4.	815	+		=	1.408
5.	661	+		=	1.268
6.	387	+		=	727
7.	779	+		=	1.075
8.	329	+		=	559
9.	826	+		=	1.615
10.	999	+		=	1.866

Oefening 2
1.	679	+		=	1.286
2.	903	+		=	1.462
3.	638	+		=	1.018
4.	845	+		=	1.448
5.	936	+		=	1.444
6.	921	+		=	1.365
7.	630	+		=	1.133
8.	819	+		=	1.064
9.	668	+		=	1.219
10.	894	+		=	1.403

Oefening 3
1.	834	+		=	1.177
2.	789	+		=	1.208
3.	884	+		=	1.229
4.	576	+		=	918
5.	471	+		=	795
6.	897	+		=	1.202
7.	664	+		=	1.150
8.	653	+		=	863
9.	677	+		=	1.054
10.	833	+		=	1.498

Oefening 4
1.	537	+		=	940
2.	755	+		=	980
3.	629	+		=	1.079
4.	455	+		=	872
5.	787	+		=	1.190
6.	683	+		=	1.124
7.	561	+		=	887
8.	848	+		=	1.690
9.	529	+		=	894
10.	752	+		=	1.429

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	554	+	441	=	995
2.	536	+	257	=	793
3.	1.000	+	770	=	1.770
4.	815	+	593	=	1.408
5.	661	+	607	=	1.268
6.	387	+	340	=	727
7.	779	+	296	=	1.075
8.	329	+	230	=	559
9.	826	+	789	=	1.615
10.	999	+	867	=	1.866

Oefening 2
1.	679	+	607	=	1.286
2.	903	+	559	=	1.462
3.	638	+	380	=	1.018
4.	845	+	603	=	1.448
5.	936	+	508	=	1.444
6.	921	+	444	=	1.365
7.	630	+	503	=	1.133
8.	819	+	245	=	1.064
9.	668	+	551	=	1.219
10.	894	+	509	=	1.403

Oefening 3
1.	834	+	343	=	1.177
2.	789	+	419	=	1.208
3.	884	+	345	=	1.229
4.	576	+	342	=	918
5.	471	+	324	=	795
6.	897	+	305	=	1.202
7.	664	+	486	=	1.150
8.	653	+	210	=	863
9.	677	+	377	=	1.054
10.	833	+	665	=	1.498

Oefening 4
1.	537	+	403	=	940
2.	755	+	225	=	980
3.	629	+	450	=	1.079
4.	455	+	417	=	872
5.	787	+	403	=	1.190
6.	683	+	441	=	1.124
7.	561	+	326	=	887
8.	848	+	842	=	1.690
9.	529	+	365	=	894
10.	752	+	677	=	1.429