Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	844	+		=	1.257
2.	552	+		=	929
3.	668	+		=	885
4.	534	+		=	889
5.	763	+		=	1.160
6.	693	+		=	1.328
7.	813	+		=	1.291
8.	404	+		=	610
9.	700	+		=	944
10.	895	+		=	1.316

Oefening 2
1.	604	+		=	1.067
2.	977	+		=	1.869
3.	277	+		=	497
4.	481	+		=	750
5.	842	+		=	1.493
6.	490	+		=	898
7.	766	+		=	1.138
8.	819	+		=	1.572
9.	902	+		=	1.490
10.	822	+		=	1.620

Oefening 3
1.	865	+		=	1.454
2.	320	+		=	558
3.	445	+		=	680
4.	914	+		=	1.414
5.	883	+		=	1.324
6.	874	+		=	1.545
7.	903	+		=	1.292
8.	816	+		=	1.573
9.	818	+		=	1.379
10.	823	+		=	1.522

Oefening 4
1.	936	+		=	1.664
2.	822	+		=	1.376
3.	921	+		=	1.834
4.	949	+		=	1.175
5.	326	+		=	622
6.	886	+		=	1.135
7.	585	+		=	1.009
8.	940	+		=	1.163
9.	766	+		=	1.483
10.	538	+		=	1.067

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	844	+	413	=	1.257
2.	552	+	377	=	929
3.	668	+	217	=	885
4.	534	+	355	=	889
5.	763	+	397	=	1.160
6.	693	+	635	=	1.328
7.	813	+	478	=	1.291
8.	404	+	206	=	610
9.	700	+	244	=	944
10.	895	+	421	=	1.316

Oefening 2
1.	604	+	463	=	1.067
2.	977	+	892	=	1.869
3.	277	+	220	=	497
4.	481	+	269	=	750
5.	842	+	651	=	1.493
6.	490	+	408	=	898
7.	766	+	372	=	1.138
8.	819	+	753	=	1.572
9.	902	+	588	=	1.490
10.	822	+	798	=	1.620

Oefening 3
1.	865	+	589	=	1.454
2.	320	+	238	=	558
3.	445	+	235	=	680
4.	914	+	500	=	1.414
5.	883	+	441	=	1.324
6.	874	+	671	=	1.545
7.	903	+	389	=	1.292
8.	816	+	757	=	1.573
9.	818	+	561	=	1.379
10.	823	+	699	=	1.522

Oefening 4
1.	936	+	728	=	1.664
2.	822	+	554	=	1.376
3.	921	+	913	=	1.834
4.	949	+	226	=	1.175
5.	326	+	296	=	622
6.	886	+	249	=	1.135
7.	585	+	424	=	1.009
8.	940	+	223	=	1.163
9.	766	+	717	=	1.483
10.	538	+	529	=	1.067