Erafsommen met vlekken tot en met 2.000

Erafsommen

Oefening 1
1.	401	-		=	151
2.	1.896	-		=	826
3.	1.495	-		=	665
4.	1.179	-		=	272
5.	1.979	-		=	985
6.	1.384	-		=	388
7.	544	-		=	103
8.	1.237	-		=	139
9.	1.689	-		=	149
10.	1.927	-		=	1.575

Oefening 2
1.	971	-		=	570
2.	1.810	-		=	659
3.	1.608	-		=	1.252
4.	1.483	-		=	941
5.	748	-		=	189
6.	1.737	-		=	737
7.	1.375	-		=	329
8.	1.376	-		=	578
9.	1.592	-		=	848
10.	1.487	-		=	715

Oefening 3
1.	1.338	-		=	478
2.	1.449	-		=	144
3.	950	-		=	669
4.	1.511	-		=	1.130
5.	902	-		=	655
6.	1.330	-		=	98
7.	1.846	-		=	1.619
8.	665	-		=	73
9.	1.712	-		=	85
10.	1.748	-		=	1.386

Oefening 4
1.	1.846	-		=	266
2.	913	-		=	179
3.	1.154	-		=	128
4.	1.733	-		=	1.085
5.	993	-		=	381
6.	1.640	-		=	773
7.	1.503	-		=	232
8.	1.792	-		=	1.528
9.	1.512	-		=	867
10.	1.233	-		=	69

Erafsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erafsommen

Oefening 1
1.	401	-	250	=	151
2.	1.896	-	1.070	=	826
3.	1.495	-	830	=	665
4.	1.179	-	907	=	272
5.	1.979	-	994	=	985
6.	1.384	-	996	=	388
7.	544	-	441	=	103
8.	1.237	-	1.098	=	139
9.	1.689	-	1.540	=	149
10.	1.927	-	352	=	1.575

Oefening 2
1.	971	-	401	=	570
2.	1.810	-	1.151	=	659
3.	1.608	-	356	=	1.252
4.	1.483	-	542	=	941
5.	748	-	559	=	189
6.	1.737	-	1.000	=	737
7.	1.375	-	1.046	=	329
8.	1.376	-	798	=	578
9.	1.592	-	744	=	848
10.	1.487	-	772	=	715

Oefening 3
1.	1.338	-	860	=	478
2.	1.449	-	1.305	=	144
3.	950	-	281	=	669
4.	1.511	-	381	=	1.130
5.	902	-	247	=	655
6.	1.330	-	1.232	=	98
7.	1.846	-	227	=	1.619
8.	665	-	592	=	73
9.	1.712	-	1.627	=	85
10.	1.748	-	362	=	1.386

Oefening 4
1.	1.846	-	1.580	=	266
2.	913	-	734	=	179
3.	1.154	-	1.026	=	128
4.	1.733	-	648	=	1.085
5.	993	-	612	=	381
6.	1.640	-	867	=	773
7.	1.503	-	1.271	=	232
8.	1.792	-	264	=	1.528
9.	1.512	-	645	=	867
10.	1.233	-	1.164	=	69