Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	330	+		=	539
2.	519	+		=	945
3.	748	+		=	968
4.	555	+		=	762
5.	954	+		=	1.294
6.	816	+		=	1.540
7.	367	+		=	695
8.	360	+		=	594
9.	773	+		=	1.134
10.	760	+		=	1.249

Oefening 2
1.	666	+		=	1.294
2.	868	+		=	1.542
3.	500	+		=	897
4.	974	+		=	1.535
5.	804	+		=	1.260
6.	801	+		=	1.110
7.	609	+		=	902
8.	866	+		=	1.154
9.	892	+		=	1.163
10.	564	+		=	1.037

Oefening 3
1.	690	+		=	1.065
2.	366	+		=	653
3.	662	+		=	874
4.	815	+		=	1.433
5.	875	+		=	1.627
6.	964	+		=	1.617
7.	776	+		=	1.309
8.	349	+		=	664
9.	782	+		=	1.357
10.	761	+		=	1.180

Oefening 4
1.	660	+		=	1.037
2.	596	+		=	1.055
3.	774	+		=	1.084
4.	813	+		=	1.287
5.	471	+		=	876
6.	524	+		=	850
7.	831	+		=	1.291
8.	652	+		=	1.146
9.	828	+		=	1.042
10.	533	+		=	927

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	330	+	209	=	539
2.	519	+	426	=	945
3.	748	+	220	=	968
4.	555	+	207	=	762
5.	954	+	340	=	1.294
6.	816	+	724	=	1.540
7.	367	+	328	=	695
8.	360	+	234	=	594
9.	773	+	361	=	1.134
10.	760	+	489	=	1.249

Oefening 2
1.	666	+	628	=	1.294
2.	868	+	674	=	1.542
3.	500	+	397	=	897
4.	974	+	561	=	1.535
5.	804	+	456	=	1.260
6.	801	+	309	=	1.110
7.	609	+	293	=	902
8.	866	+	288	=	1.154
9.	892	+	271	=	1.163
10.	564	+	473	=	1.037

Oefening 3
1.	690	+	375	=	1.065
2.	366	+	287	=	653
3.	662	+	212	=	874
4.	815	+	618	=	1.433
5.	875	+	752	=	1.627
6.	964	+	653	=	1.617
7.	776	+	533	=	1.309
8.	349	+	315	=	664
9.	782	+	575	=	1.357
10.	761	+	419	=	1.180

Oefening 4
1.	660	+	377	=	1.037
2.	596	+	459	=	1.055
3.	774	+	310	=	1.084
4.	813	+	474	=	1.287
5.	471	+	405	=	876
6.	524	+	326	=	850
7.	831	+	460	=	1.291
8.	652	+	494	=	1.146
9.	828	+	214	=	1.042
10.	533	+	394	=	927