Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	747	+		=	1.156
2.	943	+		=	1.860
3.	455	+		=	689
4.	666	+		=	1.319
5.	847	+		=	1.056
6.	553	+		=	931
7.	761	+		=	1.454
8.	580	+		=	841
9.	932	+		=	1.577
10.	994	+		=	1.536

Oefening 2
1.	979	+		=	1.426
2.	642	+		=	1.191
3.	612	+		=	1.000
4.	803	+		=	1.550
5.	745	+		=	951
6.	483	+		=	839
7.	895	+		=	1.250
8.	821	+		=	1.402
9.	919	+		=	1.606
10.	782	+		=	1.220

Oefening 3
1.	975	+		=	1.184
2.	608	+		=	943
3.	825	+		=	1.563
4.	559	+		=	779
5.	743	+		=	1.460
6.	796	+		=	1.172
7.	923	+		=	1.382
8.	992	+		=	1.871
9.	642	+		=	1.262
10.	623	+		=	1.078

Oefening 4
1.	983	+		=	1.213
2.	304	+		=	584
3.	872	+		=	1.718
4.	777	+		=	1.527
5.	697	+		=	1.009
6.	438	+		=	689
7.	977	+		=	1.928
8.	803	+		=	1.405
9.	454	+		=	827
10.	948	+		=	1.725

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	747	+	409	=	1.156
2.	943	+	917	=	1.860
3.	455	+	234	=	689
4.	666	+	653	=	1.319
5.	847	+	209	=	1.056
6.	553	+	378	=	931
7.	761	+	693	=	1.454
8.	580	+	261	=	841
9.	932	+	645	=	1.577
10.	994	+	542	=	1.536

Oefening 2
1.	979	+	447	=	1.426
2.	642	+	549	=	1.191
3.	612	+	388	=	1.000
4.	803	+	747	=	1.550
5.	745	+	206	=	951
6.	483	+	356	=	839
7.	895	+	355	=	1.250
8.	821	+	581	=	1.402
9.	919	+	687	=	1.606
10.	782	+	438	=	1.220

Oefening 3
1.	975	+	209	=	1.184
2.	608	+	335	=	943
3.	825	+	738	=	1.563
4.	559	+	220	=	779
5.	743	+	717	=	1.460
6.	796	+	376	=	1.172
7.	923	+	459	=	1.382
8.	992	+	879	=	1.871
9.	642	+	620	=	1.262
10.	623	+	455	=	1.078

Oefening 4
1.	983	+	230	=	1.213
2.	304	+	280	=	584
3.	872	+	846	=	1.718
4.	777	+	750	=	1.527
5.	697	+	312	=	1.009
6.	438	+	251	=	689
7.	977	+	951	=	1.928
8.	803	+	602	=	1.405
9.	454	+	373	=	827
10.	948	+	777	=	1.725