Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	958	+		=	1.894
2.	646	+		=	878
3.	761	+		=	1.043
4.	878	+		=	1.583
5.	499	+		=	906
6.	404	+		=	699
7.	722	+		=	1.004
8.	385	+		=	752
9.	748	+		=	1.155
10.	655	+		=	1.258

Oefening 2
1.	292	+		=	520
2.	460	+		=	703
3.	893	+		=	1.399
4.	889	+		=	1.095
5.	766	+		=	1.084
6.	856	+		=	1.095
7.	686	+		=	1.076
8.	660	+		=	1.182
9.	722	+		=	1.428
10.	700	+		=	1.161

Oefening 3
1.	906	+		=	1.575
2.	695	+		=	917
3.	655	+		=	1.183
4.	604	+		=	890
5.	626	+		=	1.244
6.	672	+		=	1.003
7.	808	+		=	1.386
8.	918	+		=	1.235
9.	711	+		=	1.178
10.	774	+		=	1.416

Oefening 4
1.	947	+		=	1.568
2.	879	+		=	1.373
3.	619	+		=	970
4.	883	+		=	1.758
5.	864	+		=	1.349
6.	553	+		=	982
7.	809	+		=	1.171
8.	809	+		=	1.581
9.	739	+		=	1.240
10.	585	+		=	858

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	958	+	936	=	1.894
2.	646	+	232	=	878
3.	761	+	282	=	1.043
4.	878	+	705	=	1.583
5.	499	+	407	=	906
6.	404	+	295	=	699
7.	722	+	282	=	1.004
8.	385	+	367	=	752
9.	748	+	407	=	1.155
10.	655	+	603	=	1.258

Oefening 2
1.	292	+	228	=	520
2.	460	+	243	=	703
3.	893	+	506	=	1.399
4.	889	+	206	=	1.095
5.	766	+	318	=	1.084
6.	856	+	239	=	1.095
7.	686	+	390	=	1.076
8.	660	+	522	=	1.182
9.	722	+	706	=	1.428
10.	700	+	461	=	1.161

Oefening 3
1.	906	+	669	=	1.575
2.	695	+	222	=	917
3.	655	+	528	=	1.183
4.	604	+	286	=	890
5.	626	+	618	=	1.244
6.	672	+	331	=	1.003
7.	808	+	578	=	1.386
8.	918	+	317	=	1.235
9.	711	+	467	=	1.178
10.	774	+	642	=	1.416

Oefening 4
1.	947	+	621	=	1.568
2.	879	+	494	=	1.373
3.	619	+	351	=	970
4.	883	+	875	=	1.758
5.	864	+	485	=	1.349
6.	553	+	429	=	982
7.	809	+	362	=	1.171
8.	809	+	772	=	1.581
9.	739	+	501	=	1.240
10.	585	+	273	=	858