Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	401	+		=	746
2.	657	+		=	1.242
3.	854	+		=	1.240
4.	956	+		=	1.649
5.	612	+		=	948
6.	271	+		=	537
7.	418	+		=	757
8.	454	+		=	827
9.	788	+		=	1.035
10.	958	+		=	1.219

Oefening 2
1.	885	+		=	1.437
2.	878	+		=	1.258
3.	900	+		=	1.384
4.	703	+		=	1.344
5.	970	+		=	1.386
6.	482	+		=	718
7.	435	+		=	675
8.	889	+		=	1.153
9.	683	+		=	1.361
10.	833	+		=	1.086

Oefening 3
1.	897	+		=	1.507
2.	946	+		=	1.584
3.	577	+		=	954
4.	461	+		=	695
5.	715	+		=	1.019
6.	649	+		=	860
7.	671	+		=	1.295
8.	802	+		=	1.049
9.	333	+		=	554
10.	925	+		=	1.836

Oefening 4
1.	543	+		=	972
2.	691	+		=	1.271
3.	658	+		=	1.045
4.	996	+		=	1.570
5.	904	+		=	1.592
6.	786	+		=	1.522
7.	914	+		=	1.647
8.	971	+		=	1.466
9.	512	+		=	926
10.	945	+		=	1.453

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	401	+	345	=	746
2.	657	+	585	=	1.242
3.	854	+	386	=	1.240
4.	956	+	693	=	1.649
5.	612	+	336	=	948
6.	271	+	266	=	537
7.	418	+	339	=	757
8.	454	+	373	=	827
9.	788	+	247	=	1.035
10.	958	+	261	=	1.219

Oefening 2
1.	885	+	552	=	1.437
2.	878	+	380	=	1.258
3.	900	+	484	=	1.384
4.	703	+	641	=	1.344
5.	970	+	416	=	1.386
6.	482	+	236	=	718
7.	435	+	240	=	675
8.	889	+	264	=	1.153
9.	683	+	678	=	1.361
10.	833	+	253	=	1.086

Oefening 3
1.	897	+	610	=	1.507
2.	946	+	638	=	1.584
3.	577	+	377	=	954
4.	461	+	234	=	695
5.	715	+	304	=	1.019
6.	649	+	211	=	860
7.	671	+	624	=	1.295
8.	802	+	247	=	1.049
9.	333	+	221	=	554
10.	925	+	911	=	1.836

Oefening 4
1.	543	+	429	=	972
2.	691	+	580	=	1.271
3.	658	+	387	=	1.045
4.	996	+	574	=	1.570
5.	904	+	688	=	1.592
6.	786	+	736	=	1.522
7.	914	+	733	=	1.647
8.	971	+	495	=	1.466
9.	512	+	414	=	926
10.	945	+	508	=	1.453