Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	619	+		=	1.076
2.	868	+		=	1.711
3.	361	+		=	640
4.	657	+		=	962
5.	448	+		=	762
6.	765	+		=	1.425
7.	760	+		=	991
8.	384	+		=	682
9.	825	+		=	1.625
10.	999	+		=	1.605

Oefening 2
1.	761	+		=	1.002
2.	609	+		=	1.209
3.	658	+		=	1.220
4.	781	+		=	1.340
5.	906	+		=	1.276
6.	950	+		=	1.376
7.	847	+		=	1.209
8.	618	+		=	938
9.	747	+		=	1.483
10.	887	+		=	1.690

Oefening 3
1.	590	+		=	1.129
2.	559	+		=	1.028
3.	800	+		=	1.494
4.	526	+		=	835
5.	521	+		=	985
6.	587	+		=	1.138
7.	870	+		=	1.328
8.	763	+		=	1.489
9.	211	+		=	412
10.	818	+		=	1.389

Oefening 4
1.	863	+		=	1.686
2.	800	+		=	1.495
3.	945	+		=	1.263
4.	881	+		=	1.393
5.	696	+		=	1.060
6.	980	+		=	1.952
7.	842	+		=	1.093
8.	808	+		=	1.182
9.	585	+		=	1.026
10.	800	+		=	1.391

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	619	+	457	=	1.076
2.	868	+	843	=	1.711
3.	361	+	279	=	640
4.	657	+	305	=	962
5.	448	+	314	=	762
6.	765	+	660	=	1.425
7.	760	+	231	=	991
8.	384	+	298	=	682
9.	825	+	800	=	1.625
10.	999	+	606	=	1.605

Oefening 2
1.	761	+	241	=	1.002
2.	609	+	600	=	1.209
3.	658	+	562	=	1.220
4.	781	+	559	=	1.340
5.	906	+	370	=	1.276
6.	950	+	426	=	1.376
7.	847	+	362	=	1.209
8.	618	+	320	=	938
9.	747	+	736	=	1.483
10.	887	+	803	=	1.690

Oefening 3
1.	590	+	539	=	1.129
2.	559	+	469	=	1.028
3.	800	+	694	=	1.494
4.	526	+	309	=	835
5.	521	+	464	=	985
6.	587	+	551	=	1.138
7.	870	+	458	=	1.328
8.	763	+	726	=	1.489
9.	211	+	201	=	412
10.	818	+	571	=	1.389

Oefening 4
1.	863	+	823	=	1.686
2.	800	+	695	=	1.495
3.	945	+	318	=	1.263
4.	881	+	512	=	1.393
5.	696	+	364	=	1.060
6.	980	+	972	=	1.952
7.	842	+	251	=	1.093
8.	808	+	374	=	1.182
9.	585	+	441	=	1.026
10.	800	+	591	=	1.391