Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	441	+		=	704
2.	665	+		=	1.177
3.	709	+		=	1.401
4.	747	+		=	1.021
5.	695	+		=	1.305
6.	726	+		=	935
7.	912	+		=	1.782
8.	980	+		=	1.192
9.	727	+		=	1.423
10.	672	+		=	1.103

Oefening 2
1.	987	+		=	1.475
2.	619	+		=	917
3.	886	+		=	1.184
4.	774	+		=	1.152
5.	869	+		=	1.211
6.	992	+		=	1.843
7.	981	+		=	1.958
8.	311	+		=	566
9.	905	+		=	1.122
10.	839	+		=	1.192

Oefening 3
1.	560	+		=	824
2.	380	+		=	757
3.	678	+		=	916
4.	913	+		=	1.680
5.	746	+		=	958
6.	574	+		=	999
7.	881	+		=	1.113
8.	906	+		=	1.751
9.	926	+		=	1.686
10.	780	+		=	1.269

Oefening 4
1.	901	+		=	1.364
2.	701	+		=	1.323
3.	541	+		=	943
4.	721	+		=	1.228
5.	975	+		=	1.566
6.	954	+		=	1.764
7.	622	+		=	1.212
8.	897	+		=	1.331
9.	813	+		=	1.074
10.	507	+		=	767

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	441	+	263	=	704
2.	665	+	512	=	1.177
3.	709	+	692	=	1.401
4.	747	+	274	=	1.021
5.	695	+	610	=	1.305
6.	726	+	209	=	935
7.	912	+	870	=	1.782
8.	980	+	212	=	1.192
9.	727	+	696	=	1.423
10.	672	+	431	=	1.103

Oefening 2
1.	987	+	488	=	1.475
2.	619	+	298	=	917
3.	886	+	298	=	1.184
4.	774	+	378	=	1.152
5.	869	+	342	=	1.211
6.	992	+	851	=	1.843
7.	981	+	977	=	1.958
8.	311	+	255	=	566
9.	905	+	217	=	1.122
10.	839	+	353	=	1.192

Oefening 3
1.	560	+	264	=	824
2.	380	+	377	=	757
3.	678	+	238	=	916
4.	913	+	767	=	1.680
5.	746	+	212	=	958
6.	574	+	425	=	999
7.	881	+	232	=	1.113
8.	906	+	845	=	1.751
9.	926	+	760	=	1.686
10.	780	+	489	=	1.269

Oefening 4
1.	901	+	463	=	1.364
2.	701	+	622	=	1.323
3.	541	+	402	=	943
4.	721	+	507	=	1.228
5.	975	+	591	=	1.566
6.	954	+	810	=	1.764
7.	622	+	590	=	1.212
8.	897	+	434	=	1.331
9.	813	+	261	=	1.074
10.	507	+	260	=	767