Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	455	+		=	791
2.	591	+		=	807
3.	863	+		=	1.592
4.	932	+		=	1.289
5.	701	+		=	1.090
6.	869	+		=	1.667
7.	746	+		=	1.073
8.	411	+		=	819
9.	456	+		=	886
10.	967	+		=	1.920

Oefening 2
1.	387	+		=	667
2.	264	+		=	478
3.	534	+		=	772
4.	783	+		=	1.049
5.	283	+		=	550
6.	929	+		=	1.527
7.	656	+		=	1.140
8.	628	+		=	872
9.	615	+		=	912
10.	918	+		=	1.388

Oefening 3
1.	621	+		=	1.175
2.	884	+		=	1.396
3.	802	+		=	1.518
4.	602	+		=	1.100
5.	566	+		=	1.029
6.	810	+		=	1.452
7.	613	+		=	1.074
8.	958	+		=	1.223
9.	833	+		=	1.329
10.	918	+		=	1.520

Oefening 4
1.	850	+		=	1.490
2.	909	+		=	1.405
3.	836	+		=	1.140
4.	825	+		=	1.082
5.	690	+		=	971
6.	943	+		=	1.569
7.	839	+		=	1.531
8.	334	+		=	632
9.	982	+		=	1.639
10.	321	+		=	554

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	455	+	336	=	791
2.	591	+	216	=	807
3.	863	+	729	=	1.592
4.	932	+	357	=	1.289
5.	701	+	389	=	1.090
6.	869	+	798	=	1.667
7.	746	+	327	=	1.073
8.	411	+	408	=	819
9.	456	+	430	=	886
10.	967	+	953	=	1.920

Oefening 2
1.	387	+	280	=	667
2.	264	+	214	=	478
3.	534	+	238	=	772
4.	783	+	266	=	1.049
5.	283	+	267	=	550
6.	929	+	598	=	1.527
7.	656	+	484	=	1.140
8.	628	+	244	=	872
9.	615	+	297	=	912
10.	918	+	470	=	1.388

Oefening 3
1.	621	+	554	=	1.175
2.	884	+	512	=	1.396
3.	802	+	716	=	1.518
4.	602	+	498	=	1.100
5.	566	+	463	=	1.029
6.	810	+	642	=	1.452
7.	613	+	461	=	1.074
8.	958	+	265	=	1.223
9.	833	+	496	=	1.329
10.	918	+	602	=	1.520

Oefening 4
1.	850	+	640	=	1.490
2.	909	+	496	=	1.405
3.	836	+	304	=	1.140
4.	825	+	257	=	1.082
5.	690	+	281	=	971
6.	943	+	626	=	1.569
7.	839	+	692	=	1.531
8.	334	+	298	=	632
9.	982	+	657	=	1.639
10.	321	+	233	=	554