Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	775	+		=	1.210
2.	563	+		=	916
3.	864	+		=	1.653
4.	822	+		=	1.050
5.	978	+		=	1.777
6.	424	+		=	640
7.	650	+		=	1.247
8.	618	+		=	1.154
9.	949	+		=	1.303
10.	977	+		=	1.188

Oefening 2
1.	879	+		=	1.505
2.	385	+		=	707
3.	349	+		=	568
4.	936	+		=	1.586
5.	934	+		=	1.345
6.	344	+		=	627
7.	788	+		=	1.154
8.	625	+		=	861
9.	869	+		=	1.414
10.	859	+		=	1.063

Oefening 3
1.	837	+		=	1.347
2.	745	+		=	1.087
3.	935	+		=	1.565
4.	790	+		=	1.446
5.	969	+		=	1.193
6.	564	+		=	1.032
7.	973	+		=	1.310
8.	892	+		=	1.506
9.	986	+		=	1.769
10.	882	+		=	1.724

Oefening 4
1.	867	+		=	1.665
2.	944	+		=	1.206
3.	903	+		=	1.739
4.	712	+		=	978
5.	488	+		=	879
6.	917	+		=	1.234
7.	501	+		=	744
8.	856	+		=	1.108
9.	941	+		=	1.572
10.	846	+		=	1.083

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	775	+	435	=	1.210
2.	563	+	353	=	916
3.	864	+	789	=	1.653
4.	822	+	228	=	1.050
5.	978	+	799	=	1.777
6.	424	+	216	=	640
7.	650	+	597	=	1.247
8.	618	+	536	=	1.154
9.	949	+	354	=	1.303
10.	977	+	211	=	1.188

Oefening 2
1.	879	+	626	=	1.505
2.	385	+	322	=	707
3.	349	+	219	=	568
4.	936	+	650	=	1.586
5.	934	+	411	=	1.345
6.	344	+	283	=	627
7.	788	+	366	=	1.154
8.	625	+	236	=	861
9.	869	+	545	=	1.414
10.	859	+	204	=	1.063

Oefening 3
1.	837	+	510	=	1.347
2.	745	+	342	=	1.087
3.	935	+	630	=	1.565
4.	790	+	656	=	1.446
5.	969	+	224	=	1.193
6.	564	+	468	=	1.032
7.	973	+	337	=	1.310
8.	892	+	614	=	1.506
9.	986	+	783	=	1.769
10.	882	+	842	=	1.724

Oefening 4
1.	867	+	798	=	1.665
2.	944	+	262	=	1.206
3.	903	+	836	=	1.739
4.	712	+	266	=	978
5.	488	+	391	=	879
6.	917	+	317	=	1.234
7.	501	+	243	=	744
8.	856	+	252	=	1.108
9.	941	+	631	=	1.572
10.	846	+	237	=	1.083