Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	988	+		=	1.363
2.	963	+		=	1.837
3.	836	+		=	1.345
4.	641	+		=	1.228
5.	899	+		=	1.243
6.	857	+		=	1.227
7.	748	+		=	1.086
8.	889	+		=	1.278
9.	988	+		=	1.316
10.	654	+		=	1.218

Oefening 2
1.	720	+		=	924
2.	518	+		=	800
3.	805	+		=	1.159
4.	832	+		=	1.052
5.	971	+		=	1.376
6.	833	+		=	1.601
7.	633	+		=	857
8.	776	+		=	1.453
9.	747	+		=	1.041
10.	326	+		=	649

Oefening 3
1.	898	+		=	1.772
2.	897	+		=	1.319
3.	963	+		=	1.483
4.	972	+		=	1.755
5.	920	+		=	1.649
6.	904	+		=	1.251
7.	363	+		=	721
8.	946	+		=	1.523
9.	950	+		=	1.222
10.	876	+		=	1.479

Oefening 4
1.	583	+		=	1.159
2.	960	+		=	1.297
3.	872	+		=	1.183
4.	724	+		=	1.027
5.	861	+		=	1.266
6.	718	+		=	1.227
7.	857	+		=	1.639
8.	997	+		=	1.429
9.	602	+		=	804
10.	513	+		=	954

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	988	+	375	=	1.363
2.	963	+	874	=	1.837
3.	836	+	509	=	1.345
4.	641	+	587	=	1.228
5.	899	+	344	=	1.243
6.	857	+	370	=	1.227
7.	748	+	338	=	1.086
8.	889	+	389	=	1.278
9.	988	+	328	=	1.316
10.	654	+	564	=	1.218

Oefening 2
1.	720	+	204	=	924
2.	518	+	282	=	800
3.	805	+	354	=	1.159
4.	832	+	220	=	1.052
5.	971	+	405	=	1.376
6.	833	+	768	=	1.601
7.	633	+	224	=	857
8.	776	+	677	=	1.453
9.	747	+	294	=	1.041
10.	326	+	323	=	649

Oefening 3
1.	898	+	874	=	1.772
2.	897	+	422	=	1.319
3.	963	+	520	=	1.483
4.	972	+	783	=	1.755
5.	920	+	729	=	1.649
6.	904	+	347	=	1.251
7.	363	+	358	=	721
8.	946	+	577	=	1.523
9.	950	+	272	=	1.222
10.	876	+	603	=	1.479

Oefening 4
1.	583	+	576	=	1.159
2.	960	+	337	=	1.297
3.	872	+	311	=	1.183
4.	724	+	303	=	1.027
5.	861	+	405	=	1.266
6.	718	+	509	=	1.227
7.	857	+	782	=	1.639
8.	997	+	432	=	1.429
9.	602	+	202	=	804
10.	513	+	441	=	954