Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	995	+		=	1.465
2.	615	+		=	1.027
3.	819	+		=	1.049
4.	794	+		=	1.546
5.	431	+		=	682
6.	829	+		=	1.619
7.	488	+		=	971
8.	926	+		=	1.251
9.	545	+		=	893
10.	776	+		=	1.206

Oefening 2
1.	488	+		=	900
2.	687	+		=	975
3.	770	+		=	1.214
4.	799	+		=	1.476
5.	573	+		=	1.122
6.	940	+		=	1.779
7.	881	+		=	1.516
8.	647	+		=	903
9.	477	+		=	695
10.	549	+		=	1.096

Oefening 3
1.	871	+		=	1.337
2.	892	+		=	1.641
3.	888	+		=	1.147
4.	420	+		=	726
5.	860	+		=	1.641
6.	621	+		=	898
7.	473	+		=	856
8.	974	+		=	1.454
9.	907	+		=	1.626
10.	377	+		=	749

Oefening 4
1.	853	+		=	1.393
2.	849	+		=	1.378
3.	357	+		=	669
4.	602	+		=	1.146
5.	979	+		=	1.657
6.	810	+		=	1.574
7.	880	+		=	1.256
8.	988	+		=	1.211
9.	402	+		=	775
10.	841	+		=	1.130

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	995	+	470	=	1.465
2.	615	+	412	=	1.027
3.	819	+	230	=	1.049
4.	794	+	752	=	1.546
5.	431	+	251	=	682
6.	829	+	790	=	1.619
7.	488	+	483	=	971
8.	926	+	325	=	1.251
9.	545	+	348	=	893
10.	776	+	430	=	1.206

Oefening 2
1.	488	+	412	=	900
2.	687	+	288	=	975
3.	770	+	444	=	1.214
4.	799	+	677	=	1.476
5.	573	+	549	=	1.122
6.	940	+	839	=	1.779
7.	881	+	635	=	1.516
8.	647	+	256	=	903
9.	477	+	218	=	695
10.	549	+	547	=	1.096

Oefening 3
1.	871	+	466	=	1.337
2.	892	+	749	=	1.641
3.	888	+	259	=	1.147
4.	420	+	306	=	726
5.	860	+	781	=	1.641
6.	621	+	277	=	898
7.	473	+	383	=	856
8.	974	+	480	=	1.454
9.	907	+	719	=	1.626
10.	377	+	372	=	749

Oefening 4
1.	853	+	540	=	1.393
2.	849	+	529	=	1.378
3.	357	+	312	=	669
4.	602	+	544	=	1.146
5.	979	+	678	=	1.657
6.	810	+	764	=	1.574
7.	880	+	376	=	1.256
8.	988	+	223	=	1.211
9.	402	+	373	=	775
10.	841	+	289	=	1.130