Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	923	+		=	1.815
2.	816	+		=	1.409
3.	698	+		=	1.098
4.	792	+		=	1.441
5.	586	+		=	920
6.	684	+		=	981
7.	646	+		=	932
8.	688	+		=	938
9.	956	+		=	1.254
10.	435	+		=	837

Oefening 2
1.	612	+		=	1.017
2.	440	+		=	842
3.	447	+		=	711
4.	651	+		=	1.138
5.	805	+		=	1.390
6.	528	+		=	748
7.	302	+		=	531
8.	990	+		=	1.940
9.	562	+		=	1.067
10.	905	+		=	1.569

Oefening 3
1.	943	+		=	1.450
2.	836	+		=	1.657
3.	701	+		=	1.030
4.	975	+		=	1.336
5.	897	+		=	1.381
6.	635	+		=	1.169
7.	891	+		=	1.328
8.	714	+		=	1.124
9.	736	+		=	1.204
10.	773	+		=	1.073

Oefening 4
1.	911	+		=	1.541
2.	463	+		=	793
3.	714	+		=	1.351
4.	772	+		=	1.067
5.	937	+		=	1.608
6.	258	+		=	486
7.	300	+		=	541
8.	860	+		=	1.145
9.	977	+		=	1.458
10.	748	+		=	1.253

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	923	+	892	=	1.815
2.	816	+	593	=	1.409
3.	698	+	400	=	1.098
4.	792	+	649	=	1.441
5.	586	+	334	=	920
6.	684	+	297	=	981
7.	646	+	286	=	932
8.	688	+	250	=	938
9.	956	+	298	=	1.254
10.	435	+	402	=	837

Oefening 2
1.	612	+	405	=	1.017
2.	440	+	402	=	842
3.	447	+	264	=	711
4.	651	+	487	=	1.138
5.	805	+	585	=	1.390
6.	528	+	220	=	748
7.	302	+	229	=	531
8.	990	+	950	=	1.940
9.	562	+	505	=	1.067
10.	905	+	664	=	1.569

Oefening 3
1.	943	+	507	=	1.450
2.	836	+	821	=	1.657
3.	701	+	329	=	1.030
4.	975	+	361	=	1.336
5.	897	+	484	=	1.381
6.	635	+	534	=	1.169
7.	891	+	437	=	1.328
8.	714	+	410	=	1.124
9.	736	+	468	=	1.204
10.	773	+	300	=	1.073

Oefening 4
1.	911	+	630	=	1.541
2.	463	+	330	=	793
3.	714	+	637	=	1.351
4.	772	+	295	=	1.067
5.	937	+	671	=	1.608
6.	258	+	228	=	486
7.	300	+	241	=	541
8.	860	+	285	=	1.145
9.	977	+	481	=	1.458
10.	748	+	505	=	1.253