Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	729	+		=	1.413
2.	545	+		=	1.077
3.	929	+		=	1.842
4.	469	+		=	729
5.	728	+		=	1.335
6.	448	+		=	807
7.	711	+		=	1.025
8.	869	+		=	1.314
9.	791	+		=	1.037
10.	944	+		=	1.190

Oefening 2
1.	992	+		=	1.699
2.	523	+		=	788
3.	368	+		=	716
4.	834	+		=	1.074
5.	622	+		=	1.041
6.	836	+		=	1.294
7.	585	+		=	982
8.	975	+		=	1.193
9.	609	+		=	836
10.	555	+		=	776

Oefening 3
1.	763	+		=	1.413
2.	755	+		=	1.111
3.	737	+		=	990
4.	933	+		=	1.162
5.	878	+		=	1.653
6.	620	+		=	1.234
7.	773	+		=	1.027
8.	640	+		=	907
9.	652	+		=	959
10.	758	+		=	1.100

Oefening 4
1.	306	+		=	525
2.	734	+		=	966
3.	788	+		=	1.283
4.	814	+		=	1.605
5.	871	+		=	1.191
6.	551	+		=	760
7.	323	+		=	579
8.	823	+		=	1.593
9.	631	+		=	1.124
10.	999	+		=	1.727

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	729	+	684	=	1.413
2.	545	+	532	=	1.077
3.	929	+	913	=	1.842
4.	469	+	260	=	729
5.	728	+	607	=	1.335
6.	448	+	359	=	807
7.	711	+	314	=	1.025
8.	869	+	445	=	1.314
9.	791	+	246	=	1.037
10.	944	+	246	=	1.190

Oefening 2
1.	992	+	707	=	1.699
2.	523	+	265	=	788
3.	368	+	348	=	716
4.	834	+	240	=	1.074
5.	622	+	419	=	1.041
6.	836	+	458	=	1.294
7.	585	+	397	=	982
8.	975	+	218	=	1.193
9.	609	+	227	=	836
10.	555	+	221	=	776

Oefening 3
1.	763	+	650	=	1.413
2.	755	+	356	=	1.111
3.	737	+	253	=	990
4.	933	+	229	=	1.162
5.	878	+	775	=	1.653
6.	620	+	614	=	1.234
7.	773	+	254	=	1.027
8.	640	+	267	=	907
9.	652	+	307	=	959
10.	758	+	342	=	1.100

Oefening 4
1.	306	+	219	=	525
2.	734	+	232	=	966
3.	788	+	495	=	1.283
4.	814	+	791	=	1.605
5.	871	+	320	=	1.191
6.	551	+	209	=	760
7.	323	+	256	=	579
8.	823	+	770	=	1.593
9.	631	+	493	=	1.124
10.	999	+	728	=	1.727