Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	573	+		=	852
2.	971	+		=	1.606
3.	977	+		=	1.674
4.	509	+		=	804
5.	831	+		=	1.186
6.	442	+		=	811
7.	617	+		=	1.094
8.	935	+		=	1.493
9.	423	+		=	643
10.	399	+		=	717

Oefening 2
1.	730	+		=	1.267
2.	807	+		=	1.406
3.	842	+		=	1.166
4.	766	+		=	1.418
5.	657	+		=	1.224
6.	637	+		=	1.186
7.	444	+		=	727
8.	806	+		=	1.278
9.	967	+		=	1.915
10.	383	+		=	717

Oefening 3
1.	776	+		=	1.402
2.	835	+		=	1.224
3.	622	+		=	1.044
4.	955	+		=	1.236
5.	458	+		=	739
6.	872	+		=	1.253
7.	893	+		=	1.455
8.	672	+		=	1.009
9.	689	+		=	947
10.	955	+		=	1.679

Oefening 4
1.	834	+		=	1.606
2.	642	+		=	1.129
3.	900	+		=	1.737
4.	857	+		=	1.096
5.	677	+		=	1.182
6.	764	+		=	1.171
7.	259	+		=	494
8.	997	+		=	1.697
9.	718	+		=	939
10.	392	+		=	730

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	573	+	279	=	852
2.	971	+	635	=	1.606
3.	977	+	697	=	1.674
4.	509	+	295	=	804
5.	831	+	355	=	1.186
6.	442	+	369	=	811
7.	617	+	477	=	1.094
8.	935	+	558	=	1.493
9.	423	+	220	=	643
10.	399	+	318	=	717

Oefening 2
1.	730	+	537	=	1.267
2.	807	+	599	=	1.406
3.	842	+	324	=	1.166
4.	766	+	652	=	1.418
5.	657	+	567	=	1.224
6.	637	+	549	=	1.186
7.	444	+	283	=	727
8.	806	+	472	=	1.278
9.	967	+	948	=	1.915
10.	383	+	334	=	717

Oefening 3
1.	776	+	626	=	1.402
2.	835	+	389	=	1.224
3.	622	+	422	=	1.044
4.	955	+	281	=	1.236
5.	458	+	281	=	739
6.	872	+	381	=	1.253
7.	893	+	562	=	1.455
8.	672	+	337	=	1.009
9.	689	+	258	=	947
10.	955	+	724	=	1.679

Oefening 4
1.	834	+	772	=	1.606
2.	642	+	487	=	1.129
3.	900	+	837	=	1.737
4.	857	+	239	=	1.096
5.	677	+	505	=	1.182
6.	764	+	407	=	1.171
7.	259	+	235	=	494
8.	997	+	700	=	1.697
9.	718	+	221	=	939
10.	392	+	338	=	730