Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	927	+		=	1.671
2.	985	+		=	1.673
3.	874	+		=	1.603
4.	859	+		=	1.670
5.	909	+		=	1.284
6.	747	+		=	1.265
7.	929	+		=	1.426
8.	716	+		=	1.093
9.	968	+		=	1.659
10.	820	+		=	1.419

Oefening 2
1.	771	+		=	1.304
2.	852	+		=	1.621
3.	508	+		=	765
4.	442	+		=	849
5.	594	+		=	831
6.	358	+		=	676
7.	875	+		=	1.581
8.	792	+		=	1.580
9.	742	+		=	1.289
10.	776	+		=	1.377

Oefening 3
1.	745	+		=	1.115
2.	771	+		=	1.164
3.	956	+		=	1.284
4.	834	+		=	1.390
5.	255	+		=	491
6.	900	+		=	1.773
7.	785	+		=	1.259
8.	732	+		=	1.458
9.	534	+		=	851
10.	969	+		=	1.197

Oefening 4
1.	827	+		=	1.378
2.	586	+		=	1.005
3.	934	+		=	1.790
4.	734	+		=	1.069
5.	927	+		=	1.340
6.	801	+		=	1.106
7.	969	+		=	1.922
8.	963	+		=	1.375
9.	976	+		=	1.643
10.	886	+		=	1.657

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	927	+	744	=	1.671
2.	985	+	688	=	1.673
3.	874	+	729	=	1.603
4.	859	+	811	=	1.670
5.	909	+	375	=	1.284
6.	747	+	518	=	1.265
7.	929	+	497	=	1.426
8.	716	+	377	=	1.093
9.	968	+	691	=	1.659
10.	820	+	599	=	1.419

Oefening 2
1.	771	+	533	=	1.304
2.	852	+	769	=	1.621
3.	508	+	257	=	765
4.	442	+	407	=	849
5.	594	+	237	=	831
6.	358	+	318	=	676
7.	875	+	706	=	1.581
8.	792	+	788	=	1.580
9.	742	+	547	=	1.289
10.	776	+	601	=	1.377

Oefening 3
1.	745	+	370	=	1.115
2.	771	+	393	=	1.164
3.	956	+	328	=	1.284
4.	834	+	556	=	1.390
5.	255	+	236	=	491
6.	900	+	873	=	1.773
7.	785	+	474	=	1.259
8.	732	+	726	=	1.458
9.	534	+	317	=	851
10.	969	+	228	=	1.197

Oefening 4
1.	827	+	551	=	1.378
2.	586	+	419	=	1.005
3.	934	+	856	=	1.790
4.	734	+	335	=	1.069
5.	927	+	413	=	1.340
6.	801	+	305	=	1.106
7.	969	+	953	=	1.922
8.	963	+	412	=	1.375
9.	976	+	667	=	1.643
10.	886	+	771	=	1.657