Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	980	+		=	1.500
2.	832	+		=	1.115
3.	667	+		=	1.244
4.	898	+		=	1.380
5.	788	+		=	1.285
6.	820	+		=	1.233
7.	809	+		=	1.346
8.	824	+		=	1.381
9.	644	+		=	938
10.	979	+		=	1.893

Oefening 2
1.	626	+		=	1.170
2.	789	+		=	1.016
3.	501	+		=	877
4.	616	+		=	1.144
5.	905	+		=	1.797
6.	677	+		=	1.041
7.	574	+		=	1.032
8.	730	+		=	1.345
9.	514	+		=	818
10.	501	+		=	888

Oefening 3
1.	519	+		=	991
2.	683	+		=	1.239
3.	888	+		=	1.529
4.	442	+		=	827
5.	580	+		=	1.078
6.	974	+		=	1.681
7.	990	+		=	1.822
8.	597	+		=	873
9.	401	+		=	630
10.	990	+		=	1.666

Oefening 4
1.	756	+		=	1.287
2.	978	+		=	1.822
3.	478	+		=	707
4.	652	+		=	1.263
5.	979	+		=	1.556
6.	859	+		=	1.158
7.	967	+		=	1.256
8.	851	+		=	1.453
9.	862	+		=	1.414
10.	959	+		=	1.634

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	980	+	520	=	1.500
2.	832	+	283	=	1.115
3.	667	+	577	=	1.244
4.	898	+	482	=	1.380
5.	788	+	497	=	1.285
6.	820	+	413	=	1.233
7.	809	+	537	=	1.346
8.	824	+	557	=	1.381
9.	644	+	294	=	938
10.	979	+	914	=	1.893

Oefening 2
1.	626	+	544	=	1.170
2.	789	+	227	=	1.016
3.	501	+	376	=	877
4.	616	+	528	=	1.144
5.	905	+	892	=	1.797
6.	677	+	364	=	1.041
7.	574	+	458	=	1.032
8.	730	+	615	=	1.345
9.	514	+	304	=	818
10.	501	+	387	=	888

Oefening 3
1.	519	+	472	=	991
2.	683	+	556	=	1.239
3.	888	+	641	=	1.529
4.	442	+	385	=	827
5.	580	+	498	=	1.078
6.	974	+	707	=	1.681
7.	990	+	832	=	1.822
8.	597	+	276	=	873
9.	401	+	229	=	630
10.	990	+	676	=	1.666

Oefening 4
1.	756	+	531	=	1.287
2.	978	+	844	=	1.822
3.	478	+	229	=	707
4.	652	+	611	=	1.263
5.	979	+	577	=	1.556
6.	859	+	299	=	1.158
7.	967	+	289	=	1.256
8.	851	+	602	=	1.453
9.	862	+	552	=	1.414
10.	959	+	675	=	1.634