Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	640	+		=	1.076
2.	471	+		=	684
3.	879	+		=	1.187
4.	793	+		=	1.047
5.	834	+		=	1.509
6.	905	+		=	1.658
7.	539	+		=	811
8.	995	+		=	1.398
9.	903	+		=	1.406
10.	926	+		=	1.574

Oefening 2
1.	687	+		=	951
2.	610	+		=	897
3.	772	+		=	1.453
4.	574	+		=	897
5.	585	+		=	852
6.	807	+		=	1.053
7.	788	+		=	1.463
8.	672	+		=	1.312
9.	792	+		=	1.384
10.	942	+		=	1.705

Oefening 3
1.	585	+		=	801
2.	320	+		=	557
3.	738	+		=	1.172
4.	620	+		=	1.043
5.	761	+		=	1.002
6.	928	+		=	1.615
7.	789	+		=	1.482
8.	914	+		=	1.684
9.	979	+		=	1.588
10.	354	+		=	600

Oefening 4
1.	425	+		=	806
2.	890	+		=	1.477
3.	944	+		=	1.441
4.	788	+		=	1.220
5.	750	+		=	1.457
6.	934	+		=	1.609
7.	943	+		=	1.561
8.	656	+		=	1.096
9.	456	+		=	671
10.	708	+		=	1.163

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	640	+	436	=	1.076
2.	471	+	213	=	684
3.	879	+	308	=	1.187
4.	793	+	254	=	1.047
5.	834	+	675	=	1.509
6.	905	+	753	=	1.658
7.	539	+	272	=	811
8.	995	+	403	=	1.398
9.	903	+	503	=	1.406
10.	926	+	648	=	1.574

Oefening 2
1.	687	+	264	=	951
2.	610	+	287	=	897
3.	772	+	681	=	1.453
4.	574	+	323	=	897
5.	585	+	267	=	852
6.	807	+	246	=	1.053
7.	788	+	675	=	1.463
8.	672	+	640	=	1.312
9.	792	+	592	=	1.384
10.	942	+	763	=	1.705

Oefening 3
1.	585	+	216	=	801
2.	320	+	237	=	557
3.	738	+	434	=	1.172
4.	620	+	423	=	1.043
5.	761	+	241	=	1.002
6.	928	+	687	=	1.615
7.	789	+	693	=	1.482
8.	914	+	770	=	1.684
9.	979	+	609	=	1.588
10.	354	+	246	=	600

Oefening 4
1.	425	+	381	=	806
2.	890	+	587	=	1.477
3.	944	+	497	=	1.441
4.	788	+	432	=	1.220
5.	750	+	707	=	1.457
6.	934	+	675	=	1.609
7.	943	+	618	=	1.561
8.	656	+	440	=	1.096
9.	456	+	215	=	671
10.	708	+	455	=	1.163