Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	542	+		=	998
2.	796	+		=	1.294
3.	898	+		=	1.701
4.	744	+		=	1.045
5.	888	+		=	1.748
6.	781	+		=	1.339
7.	444	+		=	679
8.	514	+		=	813
9.	764	+		=	1.466
10.	827	+		=	1.494

Oefening 2
1.	539	+		=	1.058
2.	652	+		=	1.180
3.	906	+		=	1.372
4.	751	+		=	1.275
5.	919	+		=	1.507
6.	963	+		=	1.595
7.	583	+		=	956
8.	628	+		=	898
9.	971	+		=	1.480
10.	829	+		=	1.329

Oefening 3
1.	981	+		=	1.426
2.	831	+		=	1.599
3.	851	+		=	1.582
4.	788	+		=	1.129
5.	857	+		=	1.180
6.	688	+		=	1.370
7.	738	+		=	1.195
8.	798	+		=	1.246
9.	840	+		=	1.312
10.	908	+		=	1.624

Oefening 4
1.	931	+		=	1.605
2.	613	+		=	1.002
3.	979	+		=	1.299
4.	847	+		=	1.370
5.	931	+		=	1.583
6.	427	+		=	846
7.	459	+		=	689
8.	343	+		=	657
9.	670	+		=	1.001
10.	871	+		=	1.154

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	542	+	456	=	998
2.	796	+	498	=	1.294
3.	898	+	803	=	1.701
4.	744	+	301	=	1.045
5.	888	+	860	=	1.748
6.	781	+	558	=	1.339
7.	444	+	235	=	679
8.	514	+	299	=	813
9.	764	+	702	=	1.466
10.	827	+	667	=	1.494

Oefening 2
1.	539	+	519	=	1.058
2.	652	+	528	=	1.180
3.	906	+	466	=	1.372
4.	751	+	524	=	1.275
5.	919	+	588	=	1.507
6.	963	+	632	=	1.595
7.	583	+	373	=	956
8.	628	+	270	=	898
9.	971	+	509	=	1.480
10.	829	+	500	=	1.329

Oefening 3
1.	981	+	445	=	1.426
2.	831	+	768	=	1.599
3.	851	+	731	=	1.582
4.	788	+	341	=	1.129
5.	857	+	323	=	1.180
6.	688	+	682	=	1.370
7.	738	+	457	=	1.195
8.	798	+	448	=	1.246
9.	840	+	472	=	1.312
10.	908	+	716	=	1.624

Oefening 4
1.	931	+	674	=	1.605
2.	613	+	389	=	1.002
3.	979	+	320	=	1.299
4.	847	+	523	=	1.370
5.	931	+	652	=	1.583
6.	427	+	419	=	846
7.	459	+	230	=	689
8.	343	+	314	=	657
9.	670	+	331	=	1.001
10.	871	+	283	=	1.154