Erafsommen met vlekken tot en met 2.000

Erafsommen

Oefening 1
1.	1.290	-		=	964
2.	1.126	-		=	82
3.	1.771	-		=	790
4.	1.654	-		=	128
5.	989	-		=	22
6.	1.571	-		=	975
7.	1.957	-		=	515
8.	1.706	-		=	537
9.	1.843	-		=	280
10.	1.140	-		=	80

Oefening 2
1.	1.074	-		=	685
2.	1.195	-		=	770
3.	954	-		=	695
4.	1.569	-		=	300
5.	1.406	-		=	893
6.	1.943	-		=	1.673
7.	1.377	-		=	66
8.	1.654	-		=	1.114
9.	1.268	-		=	796
10.	953	-		=	328

Oefening 3
1.	1.696	-		=	334
2.	1.175	-		=	400
3.	1.695	-		=	522
4.	1.669	-		=	372
5.	620	-		=	413
6.	640	-		=	248
7.	885	-		=	216
8.	810	-		=	100
9.	951	-		=	125
10.	1.871	-		=	427

Oefening 4
1.	691	-		=	184
2.	712	-		=	241
3.	873	-		=	669
4.	1.932	-		=	939
5.	389	-		=	146
6.	1.933	-		=	1.292
7.	1.671	-		=	494
8.	874	-		=	501
9.	1.729	-		=	392
10.	780	-		=	311

Erafsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erafsommen

Oefening 1
1.	1.290	-	326	=	964
2.	1.126	-	1.044	=	82
3.	1.771	-	981	=	790
4.	1.654	-	1.526	=	128
5.	989	-	967	=	22
6.	1.571	-	596	=	975
7.	1.957	-	1.442	=	515
8.	1.706	-	1.169	=	537
9.	1.843	-	1.563	=	280
10.	1.140	-	1.060	=	80

Oefening 2
1.	1.074	-	389	=	685
2.	1.195	-	425	=	770
3.	954	-	259	=	695
4.	1.569	-	1.269	=	300
5.	1.406	-	513	=	893
6.	1.943	-	270	=	1.673
7.	1.377	-	1.311	=	66
8.	1.654	-	540	=	1.114
9.	1.268	-	472	=	796
10.	953	-	625	=	328

Oefening 3
1.	1.696	-	1.362	=	334
2.	1.175	-	775	=	400
3.	1.695	-	1.173	=	522
4.	1.669	-	1.297	=	372
5.	620	-	207	=	413
6.	640	-	392	=	248
7.	885	-	669	=	216
8.	810	-	710	=	100
9.	951	-	826	=	125
10.	1.871	-	1.444	=	427

Oefening 4
1.	691	-	507	=	184
2.	712	-	471	=	241
3.	873	-	204	=	669
4.	1.932	-	993	=	939
5.	389	-	243	=	146
6.	1.933	-	641	=	1.292
7.	1.671	-	1.177	=	494
8.	874	-	373	=	501
9.	1.729	-	1.337	=	392
10.	780	-	469	=	311