Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	491	+		=	976
2.	952	+		=	1.771
3.	896	+		=	1.201
4.	725	+		=	1.073
5.	215	+		=	418
6.	541	+		=	883
7.	617	+		=	915
8.	290	+		=	560
9.	439	+		=	688
10.	858	+		=	1.098

Oefening 2
1.	315	+		=	549
2.	914	+		=	1.679
3.	770	+		=	1.259
4.	833	+		=	1.645
5.	706	+		=	1.067
6.	913	+		=	1.369
7.	891	+		=	1.387
8.	857	+		=	1.410
9.	979	+		=	1.399
10.	531	+		=	990

Oefening 3
1.	831	+		=	1.047
2.	814	+		=	1.293
3.	765	+		=	1.050
4.	680	+		=	1.174
5.	388	+		=	628
6.	978	+		=	1.557
7.	931	+		=	1.725
8.	904	+		=	1.547
9.	485	+		=	950
10.	903	+		=	1.276

Oefening 4
1.	472	+		=	719
2.	577	+		=	1.082
3.	827	+		=	1.411
4.	987	+		=	1.875
5.	1.000	+		=	1.510
6.	774	+		=	1.095
7.	593	+		=	862
8.	605	+		=	920
9.	435	+		=	696
10.	894	+		=	1.570

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	491	+	485	=	976
2.	952	+	819	=	1.771
3.	896	+	305	=	1.201
4.	725	+	348	=	1.073
5.	215	+	203	=	418
6.	541	+	342	=	883
7.	617	+	298	=	915
8.	290	+	270	=	560
9.	439	+	249	=	688
10.	858	+	240	=	1.098

Oefening 2
1.	315	+	234	=	549
2.	914	+	765	=	1.679
3.	770	+	489	=	1.259
4.	833	+	812	=	1.645
5.	706	+	361	=	1.067
6.	913	+	456	=	1.369
7.	891	+	496	=	1.387
8.	857	+	553	=	1.410
9.	979	+	420	=	1.399
10.	531	+	459	=	990

Oefening 3
1.	831	+	216	=	1.047
2.	814	+	479	=	1.293
3.	765	+	285	=	1.050
4.	680	+	494	=	1.174
5.	388	+	240	=	628
6.	978	+	579	=	1.557
7.	931	+	794	=	1.725
8.	904	+	643	=	1.547
9.	485	+	465	=	950
10.	903	+	373	=	1.276

Oefening 4
1.	472	+	247	=	719
2.	577	+	505	=	1.082
3.	827	+	584	=	1.411
4.	987	+	888	=	1.875
5.	1.000	+	510	=	1.510
6.	774	+	321	=	1.095
7.	593	+	269	=	862
8.	605	+	315	=	920
9.	435	+	261	=	696
10.	894	+	676	=	1.570