Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	558	+		=	856
2.	368	+		=	714
3.	999	+		=	1.704
4.	947	+		=	1.658
5.	643	+		=	1.246
6.	889	+		=	1.210
7.	347	+		=	576
8.	936	+		=	1.791
9.	677	+		=	1.118
10.	807	+		=	1.319

Oefening 2
1.	998	+		=	1.513
2.	520	+		=	860
3.	882	+		=	1.343
4.	949	+		=	1.365
5.	808	+		=	1.260
6.	888	+		=	1.518
7.	743	+		=	1.008
8.	868	+		=	1.309
9.	430	+		=	744
10.	844	+		=	1.337

Oefening 3
1.	941	+		=	1.446
2.	741	+		=	1.112
3.	992	+		=	1.258
4.	764	+		=	1.029
5.	921	+		=	1.422
6.	868	+		=	1.201
7.	699	+		=	1.065
8.	698	+		=	1.340
9.	810	+		=	1.177
10.	979	+		=	1.316

Oefening 4
1.	747	+		=	996
2.	857	+		=	1.371
3.	476	+		=	828
4.	953	+		=	1.485
5.	818	+		=	1.396
6.	336	+		=	624
7.	324	+		=	588
8.	911	+		=	1.149
9.	941	+		=	1.743
10.	912	+		=	1.673

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	558	+	298	=	856
2.	368	+	346	=	714
3.	999	+	705	=	1.704
4.	947	+	711	=	1.658
5.	643	+	603	=	1.246
6.	889	+	321	=	1.210
7.	347	+	229	=	576
8.	936	+	855	=	1.791
9.	677	+	441	=	1.118
10.	807	+	512	=	1.319

Oefening 2
1.	998	+	515	=	1.513
2.	520	+	340	=	860
3.	882	+	461	=	1.343
4.	949	+	416	=	1.365
5.	808	+	452	=	1.260
6.	888	+	630	=	1.518
7.	743	+	265	=	1.008
8.	868	+	441	=	1.309
9.	430	+	314	=	744
10.	844	+	493	=	1.337

Oefening 3
1.	941	+	505	=	1.446
2.	741	+	371	=	1.112
3.	992	+	266	=	1.258
4.	764	+	265	=	1.029
5.	921	+	501	=	1.422
6.	868	+	333	=	1.201
7.	699	+	366	=	1.065
8.	698	+	642	=	1.340
9.	810	+	367	=	1.177
10.	979	+	337	=	1.316

Oefening 4
1.	747	+	249	=	996
2.	857	+	514	=	1.371
3.	476	+	352	=	828
4.	953	+	532	=	1.485
5.	818	+	578	=	1.396
6.	336	+	288	=	624
7.	324	+	264	=	588
8.	911	+	238	=	1.149
9.	941	+	802	=	1.743
10.	912	+	761	=	1.673