Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	839	+		=	1.057
2.	536	+		=	947
3.	818	+		=	1.172
4.	601	+		=	1.138
5.	752	+		=	987
6.	933	+		=	1.558
7.	809	+		=	1.595
8.	628	+		=	1.145
9.	364	+		=	569
10.	959	+		=	1.228

Oefening 2
1.	536	+		=	774
2.	831	+		=	1.597
3.	970	+		=	1.644
4.	864	+		=	1.444
5.	428	+		=	639
6.	458	+		=	873
7.	549	+		=	871
8.	903	+		=	1.519
9.	991	+		=	1.463
10.	287	+		=	508

Oefening 3
1.	789	+		=	1.418
2.	950	+		=	1.307
3.	713	+		=	1.226
4.	664	+		=	998
5.	942	+		=	1.372
6.	455	+		=	690
7.	888	+		=	1.126
8.	730	+		=	952
9.	984	+		=	1.333
10.	936	+		=	1.348

Oefening 4
1.	601	+		=	1.129
2.	756	+		=	1.210
3.	831	+		=	1.631
4.	833	+		=	1.307
5.	920	+		=	1.716
6.	923	+		=	1.815
7.	807	+		=	1.339
8.	452	+		=	903
9.	447	+		=	803
10.	719	+		=	1.425

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	839	+	218	=	1.057
2.	536	+	411	=	947
3.	818	+	354	=	1.172
4.	601	+	537	=	1.138
5.	752	+	235	=	987
6.	933	+	625	=	1.558
7.	809	+	786	=	1.595
8.	628	+	517	=	1.145
9.	364	+	205	=	569
10.	959	+	269	=	1.228

Oefening 2
1.	536	+	238	=	774
2.	831	+	766	=	1.597
3.	970	+	674	=	1.644
4.	864	+	580	=	1.444
5.	428	+	211	=	639
6.	458	+	415	=	873
7.	549	+	322	=	871
8.	903	+	616	=	1.519
9.	991	+	472	=	1.463
10.	287	+	221	=	508

Oefening 3
1.	789	+	629	=	1.418
2.	950	+	357	=	1.307
3.	713	+	513	=	1.226
4.	664	+	334	=	998
5.	942	+	430	=	1.372
6.	455	+	235	=	690
7.	888	+	238	=	1.126
8.	730	+	222	=	952
9.	984	+	349	=	1.333
10.	936	+	412	=	1.348

Oefening 4
1.	601	+	528	=	1.129
2.	756	+	454	=	1.210
3.	831	+	800	=	1.631
4.	833	+	474	=	1.307
5.	920	+	796	=	1.716
6.	923	+	892	=	1.815
7.	807	+	532	=	1.339
8.	452	+	451	=	903
9.	447	+	356	=	803
10.	719	+	706	=	1.425