Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	709	+		=	973
2.	886	+		=	1.682
3.	856	+		=	1.103
4.	706	+		=	925
5.	850	+		=	1.232
6.	712	+		=	1.128
7.	972	+		=	1.245
8.	942	+		=	1.748
9.	757	+		=	1.362
10.	690	+		=	1.369

Oefening 2
1.	985	+		=	1.423
2.	363	+		=	665
3.	943	+		=	1.459
4.	366	+		=	726
5.	889	+		=	1.717
6.	612	+		=	906
7.	977	+		=	1.460
8.	621	+		=	954
9.	917	+		=	1.603
10.	430	+		=	784

Oefening 3
1.	970	+		=	1.663
2.	922	+		=	1.613
3.	728	+		=	979
4.	433	+		=	804
5.	945	+		=	1.218
6.	538	+		=	745
7.	681	+		=	951
8.	650	+		=	1.096
9.	437	+		=	835
10.	932	+		=	1.857

Oefening 4
1.	955	+		=	1.348
2.	866	+		=	1.525
3.	778	+		=	1.110
4.	921	+		=	1.697
5.	894	+		=	1.718
6.	599	+		=	1.040
7.	452	+		=	691
8.	909	+		=	1.204
9.	758	+		=	1.459
10.	999	+		=	1.331

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	709	+	264	=	973
2.	886	+	796	=	1.682
3.	856	+	247	=	1.103
4.	706	+	219	=	925
5.	850	+	382	=	1.232
6.	712	+	416	=	1.128
7.	972	+	273	=	1.245
8.	942	+	806	=	1.748
9.	757	+	605	=	1.362
10.	690	+	679	=	1.369

Oefening 2
1.	985	+	438	=	1.423
2.	363	+	302	=	665
3.	943	+	516	=	1.459
4.	366	+	360	=	726
5.	889	+	828	=	1.717
6.	612	+	294	=	906
7.	977	+	483	=	1.460
8.	621	+	333	=	954
9.	917	+	686	=	1.603
10.	430	+	354	=	784

Oefening 3
1.	970	+	693	=	1.663
2.	922	+	691	=	1.613
3.	728	+	251	=	979
4.	433	+	371	=	804
5.	945	+	273	=	1.218
6.	538	+	207	=	745
7.	681	+	270	=	951
8.	650	+	446	=	1.096
9.	437	+	398	=	835
10.	932	+	925	=	1.857

Oefening 4
1.	955	+	393	=	1.348
2.	866	+	659	=	1.525
3.	778	+	332	=	1.110
4.	921	+	776	=	1.697
5.	894	+	824	=	1.718
6.	599	+	441	=	1.040
7.	452	+	239	=	691
8.	909	+	295	=	1.204
9.	758	+	701	=	1.459
10.	999	+	332	=	1.331