Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	974	+		=	1.485
2.	686	+		=	897
3.	947	+		=	1.662
4.	701	+		=	1.219
5.	673	+		=	1.108
6.	867	+		=	1.256
7.	676	+		=	1.020
8.	891	+		=	1.527
9.	646	+		=	966
10.	817	+		=	1.186

Oefening 2
1.	742	+		=	1.131
2.	843	+		=	1.613
3.	477	+		=	807
4.	636	+		=	1.265
5.	452	+		=	884
6.	816	+		=	1.449
7.	939	+		=	1.581
8.	721	+		=	942
9.	638	+		=	1.073
10.	993	+		=	1.927

Oefening 3
1.	804	+		=	1.255
2.	731	+		=	1.328
3.	904	+		=	1.705
4.	866	+		=	1.388
5.	712	+		=	1.408
6.	502	+		=	729
7.	414	+		=	812
8.	936	+		=	1.158
9.	957	+		=	1.345
10.	331	+		=	639

Oefening 4
1.	678	+		=	1.008
2.	600	+		=	1.078
3.	617	+		=	853
4.	969	+		=	1.739
5.	803	+		=	1.454
6.	662	+		=	973
7.	951	+		=	1.268
8.	245	+		=	452
9.	857	+		=	1.254
10.	329	+		=	543

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	974	+	511	=	1.485
2.	686	+	211	=	897
3.	947	+	715	=	1.662
4.	701	+	518	=	1.219
5.	673	+	435	=	1.108
6.	867	+	389	=	1.256
7.	676	+	344	=	1.020
8.	891	+	636	=	1.527
9.	646	+	320	=	966
10.	817	+	369	=	1.186

Oefening 2
1.	742	+	389	=	1.131
2.	843	+	770	=	1.613
3.	477	+	330	=	807
4.	636	+	629	=	1.265
5.	452	+	432	=	884
6.	816	+	633	=	1.449
7.	939	+	642	=	1.581
8.	721	+	221	=	942
9.	638	+	435	=	1.073
10.	993	+	934	=	1.927

Oefening 3
1.	804	+	451	=	1.255
2.	731	+	597	=	1.328
3.	904	+	801	=	1.705
4.	866	+	522	=	1.388
5.	712	+	696	=	1.408
6.	502	+	227	=	729
7.	414	+	398	=	812
8.	936	+	222	=	1.158
9.	957	+	388	=	1.345
10.	331	+	308	=	639

Oefening 4
1.	678	+	330	=	1.008
2.	600	+	478	=	1.078
3.	617	+	236	=	853
4.	969	+	770	=	1.739
5.	803	+	651	=	1.454
6.	662	+	311	=	973
7.	951	+	317	=	1.268
8.	245	+	207	=	452
9.	857	+	397	=	1.254
10.	329	+	214	=	543