Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	611	+		=	893
2.	967	+		=	1.398
3.	831	+		=	1.166
4.	949	+		=	1.220
5.	983	+		=	1.668
6.	552	+		=	1.018
7.	410	+		=	801
8.	819	+		=	1.252
9.	637	+		=	1.238
10.	817	+		=	1.081

Oefening 2
1.	638	+		=	873
2.	805	+		=	1.290
3.	723	+		=	1.420
4.	729	+		=	1.301
5.	751	+		=	1.209
6.	457	+		=	694
7.	341	+		=	632
8.	834	+		=	1.155
9.	481	+		=	838
10.	887	+		=	1.194

Oefening 3
1.	592	+		=	1.100
2.	770	+		=	1.105
3.	710	+		=	923
4.	783	+		=	1.506
5.	687	+		=	1.357
6.	659	+		=	1.272
7.	756	+		=	1.485
8.	645	+		=	997
9.	945	+		=	1.163
10.	645	+		=	1.010

Oefening 4
1.	579	+		=	992
2.	717	+		=	980
3.	727	+		=	1.051
4.	881	+		=	1.574
5.	725	+		=	1.262
6.	892	+		=	1.438
7.	845	+		=	1.619
8.	590	+		=	1.048
9.	979	+		=	1.203
10.	932	+		=	1.844

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	611	+	282	=	893
2.	967	+	431	=	1.398
3.	831	+	335	=	1.166
4.	949	+	271	=	1.220
5.	983	+	685	=	1.668
6.	552	+	466	=	1.018
7.	410	+	391	=	801
8.	819	+	433	=	1.252
9.	637	+	601	=	1.238
10.	817	+	264	=	1.081

Oefening 2
1.	638	+	235	=	873
2.	805	+	485	=	1.290
3.	723	+	697	=	1.420
4.	729	+	572	=	1.301
5.	751	+	458	=	1.209
6.	457	+	237	=	694
7.	341	+	291	=	632
8.	834	+	321	=	1.155
9.	481	+	357	=	838
10.	887	+	307	=	1.194

Oefening 3
1.	592	+	508	=	1.100
2.	770	+	335	=	1.105
3.	710	+	213	=	923
4.	783	+	723	=	1.506
5.	687	+	670	=	1.357
6.	659	+	613	=	1.272
7.	756	+	729	=	1.485
8.	645	+	352	=	997
9.	945	+	218	=	1.163
10.	645	+	365	=	1.010

Oefening 4
1.	579	+	413	=	992
2.	717	+	263	=	980
3.	727	+	324	=	1.051
4.	881	+	693	=	1.574
5.	725	+	537	=	1.262
6.	892	+	546	=	1.438
7.	845	+	774	=	1.619
8.	590	+	458	=	1.048
9.	979	+	224	=	1.203
10.	932	+	912	=	1.844