Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	640	+		=	1.060
2.	893	+		=	1.698
3.	488	+		=	790
4.	648	+		=	1.082
5.	443	+		=	700
6.	718	+		=	1.255
7.	774	+		=	1.012
8.	471	+		=	829
9.	678	+		=	1.299
10.	954	+		=	1.805

Oefening 2
1.	833	+		=	1.253
2.	697	+		=	1.019
3.	872	+		=	1.382
4.	744	+		=	1.166
5.	411	+		=	695
6.	857	+		=	1.289
7.	728	+		=	1.328
8.	843	+		=	1.230
9.	975	+		=	1.554
10.	817	+		=	1.095

Oefening 3
1.	906	+		=	1.680
2.	546	+		=	795
3.	853	+		=	1.488
4.	648	+		=	975
5.	937	+		=	1.656
6.	910	+		=	1.798
7.	369	+		=	588
8.	805	+		=	1.130
9.	1.000	+		=	1.933
10.	463	+		=	681

Oefening 4
1.	987	+		=	1.624
2.	548	+		=	935
3.	391	+		=	707
4.	859	+		=	1.310
5.	801	+		=	1.497
6.	750	+		=	1.228
7.	865	+		=	1.523
8.	434	+		=	857
9.	946	+		=	1.638
10.	891	+		=	1.132

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	640	+	420	=	1.060
2.	893	+	805	=	1.698
3.	488	+	302	=	790
4.	648	+	434	=	1.082
5.	443	+	257	=	700
6.	718	+	537	=	1.255
7.	774	+	238	=	1.012
8.	471	+	358	=	829
9.	678	+	621	=	1.299
10.	954	+	851	=	1.805

Oefening 2
1.	833	+	420	=	1.253
2.	697	+	322	=	1.019
3.	872	+	510	=	1.382
4.	744	+	422	=	1.166
5.	411	+	284	=	695
6.	857	+	432	=	1.289
7.	728	+	600	=	1.328
8.	843	+	387	=	1.230
9.	975	+	579	=	1.554
10.	817	+	278	=	1.095

Oefening 3
1.	906	+	774	=	1.680
2.	546	+	249	=	795
3.	853	+	635	=	1.488
4.	648	+	327	=	975
5.	937	+	719	=	1.656
6.	910	+	888	=	1.798
7.	369	+	219	=	588
8.	805	+	325	=	1.130
9.	1.000	+	933	=	1.933
10.	463	+	218	=	681

Oefening 4
1.	987	+	637	=	1.624
2.	548	+	387	=	935
3.	391	+	316	=	707
4.	859	+	451	=	1.310
5.	801	+	696	=	1.497
6.	750	+	478	=	1.228
7.	865	+	658	=	1.523
8.	434	+	423	=	857
9.	946	+	692	=	1.638
10.	891	+	241	=	1.132