Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	543	+		=	1.079
2.	769	+		=	1.045
3.	899	+		=	1.610
4.	515	+		=	774
5.	897	+		=	1.363
6.	452	+		=	707
7.	790	+		=	1.023
8.	751	+		=	1.017
9.	940	+		=	1.538
10.	862	+		=	1.262

Oefening 2
1.	841	+		=	1.103
2.	876	+		=	1.365
3.	516	+		=	766
4.	762	+		=	1.223
5.	840	+		=	1.618
6.	626	+		=	917
7.	979	+		=	1.446
8.	849	+		=	1.055
9.	824	+		=	1.151
10.	471	+		=	923

Oefening 3
1.	923	+		=	1.233
2.	957	+		=	1.178
3.	658	+		=	873
4.	318	+		=	632
5.	798	+		=	1.252
6.	990	+		=	1.233
7.	985	+		=	1.834
8.	885	+		=	1.166
9.	729	+		=	999
10.	971	+		=	1.206

Oefening 4
1.	754	+		=	1.470
2.	793	+		=	1.176
3.	780	+		=	1.231
4.	918	+		=	1.138
5.	809	+		=	1.273
6.	684	+		=	1.059
7.	809	+		=	1.594
8.	624	+		=	860
9.	914	+		=	1.179
10.	744	+		=	1.152

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	543	+	536	=	1.079
2.	769	+	276	=	1.045
3.	899	+	711	=	1.610
4.	515	+	259	=	774
5.	897	+	466	=	1.363
6.	452	+	255	=	707
7.	790	+	233	=	1.023
8.	751	+	266	=	1.017
9.	940	+	598	=	1.538
10.	862	+	400	=	1.262

Oefening 2
1.	841	+	262	=	1.103
2.	876	+	489	=	1.365
3.	516	+	250	=	766
4.	762	+	461	=	1.223
5.	840	+	778	=	1.618
6.	626	+	291	=	917
7.	979	+	467	=	1.446
8.	849	+	206	=	1.055
9.	824	+	327	=	1.151
10.	471	+	452	=	923

Oefening 3
1.	923	+	310	=	1.233
2.	957	+	221	=	1.178
3.	658	+	215	=	873
4.	318	+	314	=	632
5.	798	+	454	=	1.252
6.	990	+	243	=	1.233
7.	985	+	849	=	1.834
8.	885	+	281	=	1.166
9.	729	+	270	=	999
10.	971	+	235	=	1.206

Oefening 4
1.	754	+	716	=	1.470
2.	793	+	383	=	1.176
3.	780	+	451	=	1.231
4.	918	+	220	=	1.138
5.	809	+	464	=	1.273
6.	684	+	375	=	1.059
7.	809	+	785	=	1.594
8.	624	+	236	=	860
9.	914	+	265	=	1.179
10.	744	+	408	=	1.152