Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	978	+		=	1.944
2.	761	+		=	1.062
3.	620	+		=	1.016
4.	763	+		=	1.505
5.	862	+		=	1.389
6.	876	+		=	1.499
7.	925	+		=	1.235
8.	917	+		=	1.293
9.	537	+		=	885
10.	453	+		=	687

Oefening 2
1.	674	+		=	1.117
2.	975	+		=	1.916
3.	986	+		=	1.715
4.	648	+		=	1.015
5.	735	+		=	1.196
6.	971	+		=	1.933
7.	519	+		=	966
8.	640	+		=	1.112
9.	925	+		=	1.187
10.	523	+		=	1.036

Oefening 3
1.	661	+		=	1.230
2.	350	+		=	581
3.	874	+		=	1.223
4.	564	+		=	1.047
5.	853	+		=	1.229
6.	849	+		=	1.314
7.	334	+		=	551
8.	762	+		=	1.133
9.	807	+		=	1.449
10.	801	+		=	1.353

Oefening 4
1.	893	+		=	1.507
2.	717	+		=	1.250
3.	840	+		=	1.129
4.	840	+		=	1.481
5.	824	+		=	1.276
6.	676	+		=	1.018
7.	481	+		=	919
8.	439	+		=	736
9.	781	+		=	1.396
10.	752	+		=	1.381

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	978	+	966	=	1.944
2.	761	+	301	=	1.062
3.	620	+	396	=	1.016
4.	763	+	742	=	1.505
5.	862	+	527	=	1.389
6.	876	+	623	=	1.499
7.	925	+	310	=	1.235
8.	917	+	376	=	1.293
9.	537	+	348	=	885
10.	453	+	234	=	687

Oefening 2
1.	674	+	443	=	1.117
2.	975	+	941	=	1.916
3.	986	+	729	=	1.715
4.	648	+	367	=	1.015
5.	735	+	461	=	1.196
6.	971	+	962	=	1.933
7.	519	+	447	=	966
8.	640	+	472	=	1.112
9.	925	+	262	=	1.187
10.	523	+	513	=	1.036

Oefening 3
1.	661	+	569	=	1.230
2.	350	+	231	=	581
3.	874	+	349	=	1.223
4.	564	+	483	=	1.047
5.	853	+	376	=	1.229
6.	849	+	465	=	1.314
7.	334	+	217	=	551
8.	762	+	371	=	1.133
9.	807	+	642	=	1.449
10.	801	+	552	=	1.353

Oefening 4
1.	893	+	614	=	1.507
2.	717	+	533	=	1.250
3.	840	+	289	=	1.129
4.	840	+	641	=	1.481
5.	824	+	452	=	1.276
6.	676	+	342	=	1.018
7.	481	+	438	=	919
8.	439	+	297	=	736
9.	781	+	615	=	1.396
10.	752	+	629	=	1.381