Erafsommen met vlekken tot en met 2.000

Erafsommen

Oefening 1
1.	813	-		=	517
2.	1.511	-		=	450
3.	1.285	-		=	567
4.	849	-		=	153
5.	1.489	-		=	1.256
6.	1.308	-		=	1.044
7.	1.626	-		=	1.023
8.	1.903	-		=	1.085
9.	1.717	-		=	872
10.	1.234	-		=	429

Oefening 2
1.	1.265	-		=	947
2.	811	-		=	284
3.	1.866	-		=	77
4.	1.533	-		=	140
5.	1.258	-		=	1.012
6.	1.748	-		=	1.032
7.	1.032	-		=	611
8.	695	-		=	450
9.	1.842	-		=	161
10.	1.680	-		=	1.287

Oefening 3
1.	1.442	-		=	495
2.	948	-		=	182
3.	757	-		=	534
4.	1.785	-		=	964
5.	1.905	-		=	941
6.	1.816	-		=	395
7.	1.215	-		=	252
8.	404	-		=	27
9.	1.336	-		=	135
10.	1.671	-		=	676

Oefening 4
1.	1.215	-		=	799
2.	1.892	-		=	391
3.	1.761	-		=	1.387
4.	1.877	-		=	1.268
5.	1.293	-		=	727
6.	1.437	-		=	804
7.	1.748	-		=	231
8.	1.718	-		=	1.176
9.	1.410	-		=	157
10.	1.264	-		=	138

Erafsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erafsommen

Oefening 1
1.	813	-	296	=	517
2.	1.511	-	1.061	=	450
3.	1.285	-	718	=	567
4.	849	-	696	=	153
5.	1.489	-	233	=	1.256
6.	1.308	-	264	=	1.044
7.	1.626	-	603	=	1.023
8.	1.903	-	818	=	1.085
9.	1.717	-	845	=	872
10.	1.234	-	805	=	429

Oefening 2
1.	1.265	-	318	=	947
2.	811	-	527	=	284
3.	1.866	-	1.789	=	77
4.	1.533	-	1.393	=	140
5.	1.258	-	246	=	1.012
6.	1.748	-	716	=	1.032
7.	1.032	-	421	=	611
8.	695	-	245	=	450
9.	1.842	-	1.681	=	161
10.	1.680	-	393	=	1.287

Oefening 3
1.	1.442	-	947	=	495
2.	948	-	766	=	182
3.	757	-	223	=	534
4.	1.785	-	821	=	964
5.	1.905	-	964	=	941
6.	1.816	-	1.421	=	395
7.	1.215	-	963	=	252
8.	404	-	377	=	27
9.	1.336	-	1.201	=	135
10.	1.671	-	995	=	676

Oefening 4
1.	1.215	-	416	=	799
2.	1.892	-	1.501	=	391
3.	1.761	-	374	=	1.387
4.	1.877	-	609	=	1.268
5.	1.293	-	566	=	727
6.	1.437	-	633	=	804
7.	1.748	-	1.517	=	231
8.	1.718	-	542	=	1.176
9.	1.410	-	1.253	=	157
10.	1.264	-	1.126	=	138