Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	463	+		=	785
2.	892	+		=	1.400
3.	824	+		=	1.448
4.	715	+		=	988
5.	931	+		=	1.781
6.	744	+		=	1.370
7.	895	+		=	1.426
8.	494	+		=	885
9.	577	+		=	844
10.	342	+		=	548

Oefening 2
1.	912	+		=	1.678
2.	290	+		=	501
3.	528	+		=	730
4.	893	+		=	1.195
5.	586	+		=	821
6.	940	+		=	1.362
7.	858	+		=	1.297
8.	620	+		=	883
9.	456	+		=	735
10.	868	+		=	1.162

Oefening 3
1.	979	+		=	1.940
2.	736	+		=	1.277
3.	942	+		=	1.795
4.	898	+		=	1.363
5.	757	+		=	1.119
6.	638	+		=	947
7.	773	+		=	1.343
8.	821	+		=	1.597
9.	733	+		=	1.385
10.	941	+		=	1.511

Oefening 4
1.	798	+		=	1.588
2.	680	+		=	1.186
3.	845	+		=	1.238
4.	863	+		=	1.299
5.	663	+		=	947
6.	548	+		=	915
7.	935	+		=	1.428
8.	564	+		=	1.104
9.	733	+		=	1.233
10.	835	+		=	1.090

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	463	+	322	=	785
2.	892	+	508	=	1.400
3.	824	+	624	=	1.448
4.	715	+	273	=	988
5.	931	+	850	=	1.781
6.	744	+	626	=	1.370
7.	895	+	531	=	1.426
8.	494	+	391	=	885
9.	577	+	267	=	844
10.	342	+	206	=	548

Oefening 2
1.	912	+	766	=	1.678
2.	290	+	211	=	501
3.	528	+	202	=	730
4.	893	+	302	=	1.195
5.	586	+	235	=	821
6.	940	+	422	=	1.362
7.	858	+	439	=	1.297
8.	620	+	263	=	883
9.	456	+	279	=	735
10.	868	+	294	=	1.162

Oefening 3
1.	979	+	961	=	1.940
2.	736	+	541	=	1.277
3.	942	+	853	=	1.795
4.	898	+	465	=	1.363
5.	757	+	362	=	1.119
6.	638	+	309	=	947
7.	773	+	570	=	1.343
8.	821	+	776	=	1.597
9.	733	+	652	=	1.385
10.	941	+	570	=	1.511

Oefening 4
1.	798	+	790	=	1.588
2.	680	+	506	=	1.186
3.	845	+	393	=	1.238
4.	863	+	436	=	1.299
5.	663	+	284	=	947
6.	548	+	367	=	915
7.	935	+	493	=	1.428
8.	564	+	540	=	1.104
9.	733	+	500	=	1.233
10.	835	+	255	=	1.090