Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	875	+		=	1.499
2.	757	+		=	991
3.	794	+		=	1.348
4.	756	+		=	1.010
5.	735	+		=	1.463
6.	774	+		=	1.113
7.	248	+		=	485
8.	400	+		=	790
9.	685	+		=	1.098
10.	740	+		=	1.315

Oefening 2
1.	677	+		=	1.303
2.	398	+		=	699
3.	447	+		=	768
4.	526	+		=	841
5.	733	+		=	1.156
6.	314	+		=	607
7.	817	+		=	1.379
8.	850	+		=	1.514
9.	726	+		=	1.281
10.	899	+		=	1.324

Oefening 3
1.	488	+		=	689
2.	528	+		=	928
3.	886	+		=	1.340
4.	518	+		=	854
5.	514	+		=	845
6.	397	+		=	608
7.	995	+		=	1.385
8.	614	+		=	1.148
9.	565	+		=	888
10.	651	+		=	1.102

Oefening 4
1.	414	+		=	685
2.	903	+		=	1.802
3.	620	+		=	890
4.	583	+		=	837
5.	990	+		=	1.493
6.	890	+		=	1.725
7.	782	+		=	1.285
8.	393	+		=	720
9.	993	+		=	1.372
10.	647	+		=	986

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	875	+	624	=	1.499
2.	757	+	234	=	991
3.	794	+	554	=	1.348
4.	756	+	254	=	1.010
5.	735	+	728	=	1.463
6.	774	+	339	=	1.113
7.	248	+	237	=	485
8.	400	+	390	=	790
9.	685	+	413	=	1.098
10.	740	+	575	=	1.315

Oefening 2
1.	677	+	626	=	1.303
2.	398	+	301	=	699
3.	447	+	321	=	768
4.	526	+	315	=	841
5.	733	+	423	=	1.156
6.	314	+	293	=	607
7.	817	+	562	=	1.379
8.	850	+	664	=	1.514
9.	726	+	555	=	1.281
10.	899	+	425	=	1.324

Oefening 3
1.	488	+	201	=	689
2.	528	+	400	=	928
3.	886	+	454	=	1.340
4.	518	+	336	=	854
5.	514	+	331	=	845
6.	397	+	211	=	608
7.	995	+	390	=	1.385
8.	614	+	534	=	1.148
9.	565	+	323	=	888
10.	651	+	451	=	1.102

Oefening 4
1.	414	+	271	=	685
2.	903	+	899	=	1.802
3.	620	+	270	=	890
4.	583	+	254	=	837
5.	990	+	503	=	1.493
6.	890	+	835	=	1.725
7.	782	+	503	=	1.285
8.	393	+	327	=	720
9.	993	+	379	=	1.372
10.	647	+	339	=	986