Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	357	+		=	600
2.	980	+		=	1.452
3.	374	+		=	631
4.	904	+		=	1.452
5.	582	+		=	1.042
6.	998	+		=	1.581
7.	348	+		=	646
8.	925	+		=	1.620
9.	886	+		=	1.396
10.	374	+		=	662

Oefening 2
1.	596	+		=	1.154
2.	686	+		=	1.232
3.	535	+		=	1.032
4.	657	+		=	858
5.	808	+		=	1.548
6.	701	+		=	1.249
7.	988	+		=	1.498
8.	950	+		=	1.765
9.	640	+		=	907
10.	644	+		=	902

Oefening 3
1.	662	+		=	982
2.	944	+		=	1.354
3.	865	+		=	1.298
4.	981	+		=	1.378
5.	473	+		=	695
6.	865	+		=	1.494
7.	896	+		=	1.147
8.	916	+		=	1.310
9.	581	+		=	947
10.	714	+		=	1.351

Oefening 4
1.	924	+		=	1.641
2.	337	+		=	672
3.	510	+		=	839
4.	941	+		=	1.378
5.	659	+		=	1.198
6.	960	+		=	1.414
7.	997	+		=	1.332
8.	759	+		=	1.355
9.	803	+		=	1.126
10.	725	+		=	1.118

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	357	+	243	=	600
2.	980	+	472	=	1.452
3.	374	+	257	=	631
4.	904	+	548	=	1.452
5.	582	+	460	=	1.042
6.	998	+	583	=	1.581
7.	348	+	298	=	646
8.	925	+	695	=	1.620
9.	886	+	510	=	1.396
10.	374	+	288	=	662

Oefening 2
1.	596	+	558	=	1.154
2.	686	+	546	=	1.232
3.	535	+	497	=	1.032
4.	657	+	201	=	858
5.	808	+	740	=	1.548
6.	701	+	548	=	1.249
7.	988	+	510	=	1.498
8.	950	+	815	=	1.765
9.	640	+	267	=	907
10.	644	+	258	=	902

Oefening 3
1.	662	+	320	=	982
2.	944	+	410	=	1.354
3.	865	+	433	=	1.298
4.	981	+	397	=	1.378
5.	473	+	222	=	695
6.	865	+	629	=	1.494
7.	896	+	251	=	1.147
8.	916	+	394	=	1.310
9.	581	+	366	=	947
10.	714	+	637	=	1.351

Oefening 4
1.	924	+	717	=	1.641
2.	337	+	335	=	672
3.	510	+	329	=	839
4.	941	+	437	=	1.378
5.	659	+	539	=	1.198
6.	960	+	454	=	1.414
7.	997	+	335	=	1.332
8.	759	+	596	=	1.355
9.	803	+	323	=	1.126
10.	725	+	393	=	1.118