Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	489	+		=	751
2.	766	+		=	1.122
3.	908	+		=	1.483
4.	494	+		=	772
5.	250	+		=	493
6.	905	+		=	1.350
7.	931	+		=	1.224
8.	995	+		=	1.548
9.	667	+		=	1.233
10.	418	+		=	739

Oefening 2
1.	330	+		=	641
2.	483	+		=	916
3.	374	+		=	618
4.	945	+		=	1.583
5.	310	+		=	546
6.	935	+		=	1.756
7.	909	+		=	1.565
8.	557	+		=	999
9.	690	+		=	970
10.	821	+		=	1.182

Oefening 3
1.	859	+		=	1.636
2.	525	+		=	802
3.	851	+		=	1.253
4.	962	+		=	1.835
5.	863	+		=	1.615
6.	870	+		=	1.153
7.	988	+		=	1.482
8.	925	+		=	1.366
9.	546	+		=	810
10.	884	+		=	1.565

Oefening 4
1.	962	+		=	1.886
2.	729	+		=	1.152
3.	971	+		=	1.783
4.	789	+		=	1.368
5.	692	+		=	1.210
6.	497	+		=	951
7.	690	+		=	1.167
8.	970	+		=	1.372
9.	805	+		=	1.442
10.	859	+		=	1.404

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	489	+	262	=	751
2.	766	+	356	=	1.122
3.	908	+	575	=	1.483
4.	494	+	278	=	772
5.	250	+	243	=	493
6.	905	+	445	=	1.350
7.	931	+	293	=	1.224
8.	995	+	553	=	1.548
9.	667	+	566	=	1.233
10.	418	+	321	=	739

Oefening 2
1.	330	+	311	=	641
2.	483	+	433	=	916
3.	374	+	244	=	618
4.	945	+	638	=	1.583
5.	310	+	236	=	546
6.	935	+	821	=	1.756
7.	909	+	656	=	1.565
8.	557	+	442	=	999
9.	690	+	280	=	970
10.	821	+	361	=	1.182

Oefening 3
1.	859	+	777	=	1.636
2.	525	+	277	=	802
3.	851	+	402	=	1.253
4.	962	+	873	=	1.835
5.	863	+	752	=	1.615
6.	870	+	283	=	1.153
7.	988	+	494	=	1.482
8.	925	+	441	=	1.366
9.	546	+	264	=	810
10.	884	+	681	=	1.565

Oefening 4
1.	962	+	924	=	1.886
2.	729	+	423	=	1.152
3.	971	+	812	=	1.783
4.	789	+	579	=	1.368
5.	692	+	518	=	1.210
6.	497	+	454	=	951
7.	690	+	477	=	1.167
8.	970	+	402	=	1.372
9.	805	+	637	=	1.442
10.	859	+	545	=	1.404