Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	981	+		=	1.867
2.	954	+		=	1.737
3.	779	+		=	1.108
4.	858	+		=	1.344
5.	941	+		=	1.622
6.	438	+		=	768
7.	729	+		=	1.354
8.	934	+		=	1.524
9.	880	+		=	1.722
10.	672	+		=	973

Oefening 2
1.	981	+		=	1.394
2.	485	+		=	769
3.	655	+		=	1.188
4.	951	+		=	1.321
5.	985	+		=	1.307
6.	723	+		=	1.345
7.	915	+		=	1.313
8.	929	+		=	1.812
9.	590	+		=	985
10.	860	+		=	1.371

Oefening 3
1.	932	+		=	1.428
2.	949	+		=	1.644
3.	598	+		=	925
4.	635	+		=	892
5.	527	+		=	978
6.	648	+		=	1.276
7.	460	+		=	686
8.	705	+		=	1.309
9.	967	+		=	1.271
10.	816	+		=	1.263

Oefening 4
1.	351	+		=	565
2.	469	+		=	833
3.	746	+		=	1.143
4.	578	+		=	1.005
5.	712	+		=	943
6.	857	+		=	1.277
7.	510	+		=	736
8.	687	+		=	1.236
9.	652	+		=	1.079
10.	385	+		=	682

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	981	+	886	=	1.867
2.	954	+	783	=	1.737
3.	779	+	329	=	1.108
4.	858	+	486	=	1.344
5.	941	+	681	=	1.622
6.	438	+	330	=	768
7.	729	+	625	=	1.354
8.	934	+	590	=	1.524
9.	880	+	842	=	1.722
10.	672	+	301	=	973

Oefening 2
1.	981	+	413	=	1.394
2.	485	+	284	=	769
3.	655	+	533	=	1.188
4.	951	+	370	=	1.321
5.	985	+	322	=	1.307
6.	723	+	622	=	1.345
7.	915	+	398	=	1.313
8.	929	+	883	=	1.812
9.	590	+	395	=	985
10.	860	+	511	=	1.371

Oefening 3
1.	932	+	496	=	1.428
2.	949	+	695	=	1.644
3.	598	+	327	=	925
4.	635	+	257	=	892
5.	527	+	451	=	978
6.	648	+	628	=	1.276
7.	460	+	226	=	686
8.	705	+	604	=	1.309
9.	967	+	304	=	1.271
10.	816	+	447	=	1.263

Oefening 4
1.	351	+	214	=	565
2.	469	+	364	=	833
3.	746	+	397	=	1.143
4.	578	+	427	=	1.005
5.	712	+	231	=	943
6.	857	+	420	=	1.277
7.	510	+	226	=	736
8.	687	+	549	=	1.236
9.	652	+	427	=	1.079
10.	385	+	297	=	682