Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	662	+		=	916
2.	419	+		=	705
3.	655	+		=	866
4.	851	+		=	1.485
5.	716	+		=	1.303
6.	882	+		=	1.142
7.	938	+		=	1.664
8.	789	+		=	1.287
9.	744	+		=	1.072
10.	545	+		=	930

Oefening 2
1.	989	+		=	1.848
2.	963	+		=	1.448
3.	543	+		=	809
4.	855	+		=	1.447
5.	960	+		=	1.849
6.	982	+		=	1.298
7.	637	+		=	1.269
8.	757	+		=	1.060
9.	665	+		=	1.057
10.	327	+		=	648

Oefening 3
1.	815	+		=	1.420
2.	817	+		=	1.305
3.	863	+		=	1.244
4.	424	+		=	783
5.	371	+		=	713
6.	726	+		=	1.046
7.	707	+		=	978
8.	720	+		=	1.381
9.	987	+		=	1.538
10.	591	+		=	1.121

Oefening 4
1.	841	+		=	1.387
2.	851	+		=	1.613
3.	971	+		=	1.645
4.	589	+		=	936
5.	886	+		=	1.409
6.	798	+		=	1.517
7.	500	+		=	757
8.	877	+		=	1.128
9.	267	+		=	499
10.	992	+		=	1.528

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	662	+	254	=	916
2.	419	+	286	=	705
3.	655	+	211	=	866
4.	851	+	634	=	1.485
5.	716	+	587	=	1.303
6.	882	+	260	=	1.142
7.	938	+	726	=	1.664
8.	789	+	498	=	1.287
9.	744	+	328	=	1.072
10.	545	+	385	=	930

Oefening 2
1.	989	+	859	=	1.848
2.	963	+	485	=	1.448
3.	543	+	266	=	809
4.	855	+	592	=	1.447
5.	960	+	889	=	1.849
6.	982	+	316	=	1.298
7.	637	+	632	=	1.269
8.	757	+	303	=	1.060
9.	665	+	392	=	1.057
10.	327	+	321	=	648

Oefening 3
1.	815	+	605	=	1.420
2.	817	+	488	=	1.305
3.	863	+	381	=	1.244
4.	424	+	359	=	783
5.	371	+	342	=	713
6.	726	+	320	=	1.046
7.	707	+	271	=	978
8.	720	+	661	=	1.381
9.	987	+	551	=	1.538
10.	591	+	530	=	1.121

Oefening 4
1.	841	+	546	=	1.387
2.	851	+	762	=	1.613
3.	971	+	674	=	1.645
4.	589	+	347	=	936
5.	886	+	523	=	1.409
6.	798	+	719	=	1.517
7.	500	+	257	=	757
8.	877	+	251	=	1.128
9.	267	+	232	=	499
10.	992	+	536	=	1.528