Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	556	+		=	941
2.	712	+		=	1.054
3.	837	+		=	1.635
4.	668	+		=	1.256
5.	714	+		=	1.273
6.	857	+		=	1.567
7.	458	+		=	748
8.	954	+		=	1.423
9.	953	+		=	1.358
10.	804	+		=	1.189

Oefening 2
1.	454	+		=	868
2.	911	+		=	1.354
3.	481	+		=	841
4.	710	+		=	1.326
5.	966	+		=	1.376
6.	971	+		=	1.714
7.	939	+		=	1.200
8.	964	+		=	1.567
9.	881	+		=	1.413
10.	810	+		=	1.034

Oefening 3
1.	447	+		=	730
2.	955	+		=	1.167
3.	906	+		=	1.551
4.	675	+		=	1.080
5.	747	+		=	1.326
6.	943	+		=	1.491
7.	953	+		=	1.583
8.	914	+		=	1.299
9.	700	+		=	1.226
10.	724	+		=	1.048

Oefening 4
1.	759	+		=	1.296
2.	935	+		=	1.607
3.	516	+		=	927
4.	863	+		=	1.590
5.	975	+		=	1.473
6.	585	+		=	939
7.	512	+		=	712
8.	624	+		=	898
9.	442	+		=	682
10.	691	+		=	1.250

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	556	+	385	=	941
2.	712	+	342	=	1.054
3.	837	+	798	=	1.635
4.	668	+	588	=	1.256
5.	714	+	559	=	1.273
6.	857	+	710	=	1.567
7.	458	+	290	=	748
8.	954	+	469	=	1.423
9.	953	+	405	=	1.358
10.	804	+	385	=	1.189

Oefening 2
1.	454	+	414	=	868
2.	911	+	443	=	1.354
3.	481	+	360	=	841
4.	710	+	616	=	1.326
5.	966	+	410	=	1.376
6.	971	+	743	=	1.714
7.	939	+	261	=	1.200
8.	964	+	603	=	1.567
9.	881	+	532	=	1.413
10.	810	+	224	=	1.034

Oefening 3
1.	447	+	283	=	730
2.	955	+	212	=	1.167
3.	906	+	645	=	1.551
4.	675	+	405	=	1.080
5.	747	+	579	=	1.326
6.	943	+	548	=	1.491
7.	953	+	630	=	1.583
8.	914	+	385	=	1.299
9.	700	+	526	=	1.226
10.	724	+	324	=	1.048

Oefening 4
1.	759	+	537	=	1.296
2.	935	+	672	=	1.607
3.	516	+	411	=	927
4.	863	+	727	=	1.590
5.	975	+	498	=	1.473
6.	585	+	354	=	939
7.	512	+	200	=	712
8.	624	+	274	=	898
9.	442	+	240	=	682
10.	691	+	559	=	1.250