Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	944	+		=	1.244
2.	711	+		=	1.387
3.	997	+		=	1.564
4.	269	+		=	523
5.	579	+		=	1.046
6.	545	+		=	783
7.	862	+		=	1.479
8.	743	+		=	1.277
9.	657	+		=	879
10.	986	+		=	1.722

Oefening 2
1.	925	+		=	1.287
2.	858	+		=	1.320
3.	507	+		=	861
4.	453	+		=	812
5.	447	+		=	673
6.	798	+		=	1.067
7.	745	+		=	1.367
8.	495	+		=	947
9.	934	+		=	1.550
10.	820	+		=	1.196

Oefening 3
1.	647	+		=	904
2.	850	+		=	1.136
3.	812	+		=	1.619
4.	464	+		=	725
5.	896	+		=	1.103
6.	829	+		=	1.271
7.	716	+		=	928
8.	761	+		=	1.165
9.	926	+		=	1.834
10.	922	+		=	1.779

Oefening 4
1.	435	+		=	666
2.	428	+		=	697
3.	770	+		=	1.332
4.	775	+		=	1.056
5.	870	+		=	1.357
6.	939	+		=	1.453
7.	925	+		=	1.296
8.	741	+		=	1.370
9.	989	+		=	1.745
10.	960	+		=	1.368

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	944	+	300	=	1.244
2.	711	+	676	=	1.387
3.	997	+	567	=	1.564
4.	269	+	254	=	523
5.	579	+	467	=	1.046
6.	545	+	238	=	783
7.	862	+	617	=	1.479
8.	743	+	534	=	1.277
9.	657	+	222	=	879
10.	986	+	736	=	1.722

Oefening 2
1.	925	+	362	=	1.287
2.	858	+	462	=	1.320
3.	507	+	354	=	861
4.	453	+	359	=	812
5.	447	+	226	=	673
6.	798	+	269	=	1.067
7.	745	+	622	=	1.367
8.	495	+	452	=	947
9.	934	+	616	=	1.550
10.	820	+	376	=	1.196

Oefening 3
1.	647	+	257	=	904
2.	850	+	286	=	1.136
3.	812	+	807	=	1.619
4.	464	+	261	=	725
5.	896	+	207	=	1.103
6.	829	+	442	=	1.271
7.	716	+	212	=	928
8.	761	+	404	=	1.165
9.	926	+	908	=	1.834
10.	922	+	857	=	1.779

Oefening 4
1.	435	+	231	=	666
2.	428	+	269	=	697
3.	770	+	562	=	1.332
4.	775	+	281	=	1.056
5.	870	+	487	=	1.357
6.	939	+	514	=	1.453
7.	925	+	371	=	1.296
8.	741	+	629	=	1.370
9.	989	+	756	=	1.745
10.	960	+	408	=	1.368