Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	252	+		=	501
2.	471	+		=	881
3.	581	+		=	817
4.	994	+		=	1.839
5.	864	+		=	1.574
6.	767	+		=	1.406
7.	735	+		=	957
8.	950	+		=	1.228
9.	848	+		=	1.197
10.	964	+		=	1.564

Oefening 2
1.	515	+		=	810
2.	472	+		=	869
3.	970	+		=	1.276
4.	941	+		=	1.323
5.	586	+		=	1.071
6.	998	+		=	1.888
7.	955	+		=	1.729
8.	888	+		=	1.338
9.	805	+		=	1.161
10.	385	+		=	613

Oefening 3
1.	765	+		=	1.269
2.	724	+		=	988
3.	885	+		=	1.385
4.	901	+		=	1.464
5.	784	+		=	1.093
6.	899	+		=	1.418
7.	690	+		=	1.024
8.	752	+		=	1.289
9.	729	+		=	1.140
10.	925	+		=	1.128

Oefening 4
1.	610	+		=	843
2.	736	+		=	1.308
3.	907	+		=	1.430
4.	779	+		=	1.100
5.	687	+		=	1.030
6.	952	+		=	1.880
7.	736	+		=	1.360
8.	441	+		=	751
9.	998	+		=	1.302
10.	835	+		=	1.527

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	252	+	249	=	501
2.	471	+	410	=	881
3.	581	+	236	=	817
4.	994	+	845	=	1.839
5.	864	+	710	=	1.574
6.	767	+	639	=	1.406
7.	735	+	222	=	957
8.	950	+	278	=	1.228
9.	848	+	349	=	1.197
10.	964	+	600	=	1.564

Oefening 2
1.	515	+	295	=	810
2.	472	+	397	=	869
3.	970	+	306	=	1.276
4.	941	+	382	=	1.323
5.	586	+	485	=	1.071
6.	998	+	890	=	1.888
7.	955	+	774	=	1.729
8.	888	+	450	=	1.338
9.	805	+	356	=	1.161
10.	385	+	228	=	613

Oefening 3
1.	765	+	504	=	1.269
2.	724	+	264	=	988
3.	885	+	500	=	1.385
4.	901	+	563	=	1.464
5.	784	+	309	=	1.093
6.	899	+	519	=	1.418
7.	690	+	334	=	1.024
8.	752	+	537	=	1.289
9.	729	+	411	=	1.140
10.	925	+	203	=	1.128

Oefening 4
1.	610	+	233	=	843
2.	736	+	572	=	1.308
3.	907	+	523	=	1.430
4.	779	+	321	=	1.100
5.	687	+	343	=	1.030
6.	952	+	928	=	1.880
7.	736	+	624	=	1.360
8.	441	+	310	=	751
9.	998	+	304	=	1.302
10.	835	+	692	=	1.527