Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	914	+		=	1.370
2.	626	+		=	1.048
3.	964	+		=	1.884
4.	682	+		=	905
5.	602	+		=	1.202
6.	567	+		=	788
7.	988	+		=	1.897
8.	716	+		=	936
9.	915	+		=	1.507
10.	929	+		=	1.768

Oefening 2
1.	787	+		=	1.533
2.	401	+		=	668
3.	888	+		=	1.711
4.	712	+		=	983
5.	990	+		=	1.390
6.	927	+		=	1.353
7.	960	+		=	1.698
8.	847	+		=	1.221
9.	393	+		=	598
10.	951	+		=	1.730

Oefening 3
1.	585	+		=	854
2.	987	+		=	1.546
3.	518	+		=	1.011
4.	892	+		=	1.475
5.	606	+		=	1.101
6.	972	+		=	1.644
7.	356	+		=	558
8.	869	+		=	1.574
9.	934	+		=	1.402
10.	852	+		=	1.452

Oefening 4
1.	639	+		=	1.042
2.	925	+		=	1.544
3.	770	+		=	1.275
4.	704	+		=	1.018
5.	779	+		=	1.293
6.	622	+		=	1.058
7.	316	+		=	536
8.	799	+		=	1.214
9.	884	+		=	1.246
10.	876	+		=	1.671

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	914	+	456	=	1.370
2.	626	+	422	=	1.048
3.	964	+	920	=	1.884
4.	682	+	223	=	905
5.	602	+	600	=	1.202
6.	567	+	221	=	788
7.	988	+	909	=	1.897
8.	716	+	220	=	936
9.	915	+	592	=	1.507
10.	929	+	839	=	1.768

Oefening 2
1.	787	+	746	=	1.533
2.	401	+	267	=	668
3.	888	+	823	=	1.711
4.	712	+	271	=	983
5.	990	+	400	=	1.390
6.	927	+	426	=	1.353
7.	960	+	738	=	1.698
8.	847	+	374	=	1.221
9.	393	+	205	=	598
10.	951	+	779	=	1.730

Oefening 3
1.	585	+	269	=	854
2.	987	+	559	=	1.546
3.	518	+	493	=	1.011
4.	892	+	583	=	1.475
5.	606	+	495	=	1.101
6.	972	+	672	=	1.644
7.	356	+	202	=	558
8.	869	+	705	=	1.574
9.	934	+	468	=	1.402
10.	852	+	600	=	1.452

Oefening 4
1.	639	+	403	=	1.042
2.	925	+	619	=	1.544
3.	770	+	505	=	1.275
4.	704	+	314	=	1.018
5.	779	+	514	=	1.293
6.	622	+	436	=	1.058
7.	316	+	220	=	536
8.	799	+	415	=	1.214
9.	884	+	362	=	1.246
10.	876	+	795	=	1.671