Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	599	+		=	1.103
2.	689	+		=	1.348
3.	824	+		=	1.069
4.	626	+		=	982
5.	554	+		=	1.055
6.	762	+		=	986
7.	646	+		=	960
8.	819	+		=	1.192
9.	787	+		=	1.417
10.	992	+		=	1.231

Oefening 2
1.	778	+		=	1.184
2.	616	+		=	1.145
3.	813	+		=	1.616
4.	744	+		=	1.287
5.	504	+		=	732
6.	961	+		=	1.541
7.	959	+		=	1.852
8.	551	+		=	786
9.	972	+		=	1.412
10.	782	+		=	1.376

Oefening 3
1.	984	+		=	1.338
2.	902	+		=	1.649
3.	783	+		=	1.430
4.	623	+		=	1.228
5.	932	+		=	1.662
6.	452	+		=	899
7.	880	+		=	1.689
8.	631	+		=	917
9.	739	+		=	1.440
10.	291	+		=	503

Oefening 4
1.	888	+		=	1.652
2.	979	+		=	1.827
3.	901	+		=	1.363
4.	458	+		=	883
5.	969	+		=	1.667
6.	568	+		=	1.035
7.	970	+		=	1.243
8.	720	+		=	955
9.	913	+		=	1.783
10.	937	+		=	1.871

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	599	+	504	=	1.103
2.	689	+	659	=	1.348
3.	824	+	245	=	1.069
4.	626	+	356	=	982
5.	554	+	501	=	1.055
6.	762	+	224	=	986
7.	646	+	314	=	960
8.	819	+	373	=	1.192
9.	787	+	630	=	1.417
10.	992	+	239	=	1.231

Oefening 2
1.	778	+	406	=	1.184
2.	616	+	529	=	1.145
3.	813	+	803	=	1.616
4.	744	+	543	=	1.287
5.	504	+	228	=	732
6.	961	+	580	=	1.541
7.	959	+	893	=	1.852
8.	551	+	235	=	786
9.	972	+	440	=	1.412
10.	782	+	594	=	1.376

Oefening 3
1.	984	+	354	=	1.338
2.	902	+	747	=	1.649
3.	783	+	647	=	1.430
4.	623	+	605	=	1.228
5.	932	+	730	=	1.662
6.	452	+	447	=	899
7.	880	+	809	=	1.689
8.	631	+	286	=	917
9.	739	+	701	=	1.440
10.	291	+	212	=	503

Oefening 4
1.	888	+	764	=	1.652
2.	979	+	848	=	1.827
3.	901	+	462	=	1.363
4.	458	+	425	=	883
5.	969	+	698	=	1.667
6.	568	+	467	=	1.035
7.	970	+	273	=	1.243
8.	720	+	235	=	955
9.	913	+	870	=	1.783
10.	937	+	934	=	1.871