Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	697	+		=	1.074
2.	664	+		=	1.210
3.	598	+		=	1.039
4.	434	+		=	724
5.	870	+		=	1.476
6.	858	+		=	1.301
7.	576	+		=	1.140
8.	579	+		=	903
9.	643	+		=	865
10.	326	+		=	595

Oefening 2
1.	883	+		=	1.725
2.	912	+		=	1.767
3.	480	+		=	742
4.	611	+		=	1.166
5.	712	+		=	953
6.	491	+		=	804
7.	891	+		=	1.760
8.	947	+		=	1.210
9.	734	+		=	972
10.	596	+		=	989

Oefening 3
1.	727	+		=	1.404
2.	981	+		=	1.281
3.	788	+		=	1.371
4.	815	+		=	1.575
5.	850	+		=	1.372
6.	912	+		=	1.264
7.	536	+		=	953
8.	781	+		=	1.040
9.	767	+		=	1.386
10.	477	+		=	698

Oefening 4
1.	860	+		=	1.259
2.	706	+		=	941
3.	527	+		=	844
4.	942	+		=	1.778
5.	987	+		=	1.241
6.	704	+		=	1.347
7.	865	+		=	1.232
8.	647	+		=	992
9.	311	+		=	577
10.	834	+		=	1.358

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	697	+	377	=	1.074
2.	664	+	546	=	1.210
3.	598	+	441	=	1.039
4.	434	+	290	=	724
5.	870	+	606	=	1.476
6.	858	+	443	=	1.301
7.	576	+	564	=	1.140
8.	579	+	324	=	903
9.	643	+	222	=	865
10.	326	+	269	=	595

Oefening 2
1.	883	+	842	=	1.725
2.	912	+	855	=	1.767
3.	480	+	262	=	742
4.	611	+	555	=	1.166
5.	712	+	241	=	953
6.	491	+	313	=	804
7.	891	+	869	=	1.760
8.	947	+	263	=	1.210
9.	734	+	238	=	972
10.	596	+	393	=	989

Oefening 3
1.	727	+	677	=	1.404
2.	981	+	300	=	1.281
3.	788	+	583	=	1.371
4.	815	+	760	=	1.575
5.	850	+	522	=	1.372
6.	912	+	352	=	1.264
7.	536	+	417	=	953
8.	781	+	259	=	1.040
9.	767	+	619	=	1.386
10.	477	+	221	=	698

Oefening 4
1.	860	+	399	=	1.259
2.	706	+	235	=	941
3.	527	+	317	=	844
4.	942	+	836	=	1.778
5.	987	+	254	=	1.241
6.	704	+	643	=	1.347
7.	865	+	367	=	1.232
8.	647	+	345	=	992
9.	311	+	266	=	577
10.	834	+	524	=	1.358