Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	726	+		=	1.391
2.	740	+		=	1.452
3.	449	+		=	872
4.	783	+		=	1.299
5.	575	+		=	888
6.	525	+		=	963
7.	524	+		=	962
8.	881	+		=	1.716
9.	512	+		=	999
10.	939	+		=	1.571

Oefening 2
1.	980	+		=	1.459
2.	559	+		=	884
3.	886	+		=	1.484
4.	604	+		=	996
5.	930	+		=	1.251
6.	723	+		=	1.052
7.	806	+		=	1.106
8.	792	+		=	1.513
9.	536	+		=	1.025
10.	915	+		=	1.284

Oefening 3
1.	430	+		=	698
2.	503	+		=	974
3.	427	+		=	836
4.	486	+		=	831
5.	833	+		=	1.071
6.	598	+		=	1.096
7.	797	+		=	1.105
8.	846	+		=	1.527
9.	406	+		=	676
10.	891	+		=	1.494

Oefening 4
1.	810	+		=	1.124
2.	505	+		=	982
3.	705	+		=	1.163
4.	988	+		=	1.272
5.	813	+		=	1.054
6.	713	+		=	1.228
7.	648	+		=	1.112
8.	553	+		=	1.021
9.	956	+		=	1.818
10.	718	+		=	1.078

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	726	+	665	=	1.391
2.	740	+	712	=	1.452
3.	449	+	423	=	872
4.	783	+	516	=	1.299
5.	575	+	313	=	888
6.	525	+	438	=	963
7.	524	+	438	=	962
8.	881	+	835	=	1.716
9.	512	+	487	=	999
10.	939	+	632	=	1.571

Oefening 2
1.	980	+	479	=	1.459
2.	559	+	325	=	884
3.	886	+	598	=	1.484
4.	604	+	392	=	996
5.	930	+	321	=	1.251
6.	723	+	329	=	1.052
7.	806	+	300	=	1.106
8.	792	+	721	=	1.513
9.	536	+	489	=	1.025
10.	915	+	369	=	1.284

Oefening 3
1.	430	+	268	=	698
2.	503	+	471	=	974
3.	427	+	409	=	836
4.	486	+	345	=	831
5.	833	+	238	=	1.071
6.	598	+	498	=	1.096
7.	797	+	308	=	1.105
8.	846	+	681	=	1.527
9.	406	+	270	=	676
10.	891	+	603	=	1.494

Oefening 4
1.	810	+	314	=	1.124
2.	505	+	477	=	982
3.	705	+	458	=	1.163
4.	988	+	284	=	1.272
5.	813	+	241	=	1.054
6.	713	+	515	=	1.228
7.	648	+	464	=	1.112
8.	553	+	468	=	1.021
9.	956	+	862	=	1.818
10.	718	+	360	=	1.078