Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	831	+		=	1.598
2.	379	+		=	613
3.	922	+		=	1.581
4.	666	+		=	900
5.	742	+		=	1.410
6.	280	+		=	545
7.	957	+		=	1.171
8.	463	+		=	774
9.	895	+		=	1.130
10.	342	+		=	622

Oefening 2
1.	795	+		=	1.208
2.	576	+		=	855
3.	485	+		=	892
4.	792	+		=	1.466
5.	883	+		=	1.748
6.	994	+		=	1.847
7.	979	+		=	1.831
8.	954	+		=	1.676
9.	760	+		=	1.456
10.	535	+		=	1.044

Oefening 3
1.	548	+		=	868
2.	591	+		=	908
3.	500	+		=	762
4.	836	+		=	1.575
5.	998	+		=	1.413
6.	912	+		=	1.572
7.	350	+		=	611
8.	467	+		=	919
9.	766	+		=	1.218
10.	579	+		=	1.074

Oefening 4
1.	950	+		=	1.657
2.	992	+		=	1.822
3.	743	+		=	1.235
4.	439	+		=	715
5.	831	+		=	1.497
6.	823	+		=	1.158
7.	935	+		=	1.708
8.	872	+		=	1.258
9.	229	+		=	430
10.	903	+		=	1.684

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	831	+	767	=	1.598
2.	379	+	234	=	613
3.	922	+	659	=	1.581
4.	666	+	234	=	900
5.	742	+	668	=	1.410
6.	280	+	265	=	545
7.	957	+	214	=	1.171
8.	463	+	311	=	774
9.	895	+	235	=	1.130
10.	342	+	280	=	622

Oefening 2
1.	795	+	413	=	1.208
2.	576	+	279	=	855
3.	485	+	407	=	892
4.	792	+	674	=	1.466
5.	883	+	865	=	1.748
6.	994	+	853	=	1.847
7.	979	+	852	=	1.831
8.	954	+	722	=	1.676
9.	760	+	696	=	1.456
10.	535	+	509	=	1.044

Oefening 3
1.	548	+	320	=	868
2.	591	+	317	=	908
3.	500	+	262	=	762
4.	836	+	739	=	1.575
5.	998	+	415	=	1.413
6.	912	+	660	=	1.572
7.	350	+	261	=	611
8.	467	+	452	=	919
9.	766	+	452	=	1.218
10.	579	+	495	=	1.074

Oefening 4
1.	950	+	707	=	1.657
2.	992	+	830	=	1.822
3.	743	+	492	=	1.235
4.	439	+	276	=	715
5.	831	+	666	=	1.497
6.	823	+	335	=	1.158
7.	935	+	773	=	1.708
8.	872	+	386	=	1.258
9.	229	+	201	=	430
10.	903	+	781	=	1.684