Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	774	+		=	1.485
2.	380	+		=	656
3.	757	+		=	1.335
4.	778	+		=	1.514
5.	416	+		=	645
6.	773	+		=	990
7.	877	+		=	1.627
8.	981	+		=	1.821
9.	660	+		=	1.302
10.	991	+		=	1.391

Oefening 2
1.	709	+		=	1.128
2.	548	+		=	934
3.	679	+		=	1.292
4.	734	+		=	1.128
5.	505	+		=	774
6.	749	+		=	967
7.	685	+		=	1.315
8.	753	+		=	1.241
9.	867	+		=	1.601
10.	439	+		=	712

Oefening 3
1.	576	+		=	1.031
2.	582	+		=	1.090
3.	808	+		=	1.414
4.	987	+		=	1.533
5.	339	+		=	567
6.	909	+		=	1.724
7.	835	+		=	1.567
8.	872	+		=	1.407
9.	433	+		=	635
10.	972	+		=	1.374

Oefening 4
1.	767	+		=	1.180
2.	495	+		=	952
3.	602	+		=	1.039
4.	897	+		=	1.477
5.	879	+		=	1.344
6.	943	+		=	1.483
7.	878	+		=	1.467
8.	998	+		=	1.954
9.	723	+		=	1.336
10.	814	+		=	1.384

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	774	+	711	=	1.485
2.	380	+	276	=	656
3.	757	+	578	=	1.335
4.	778	+	736	=	1.514
5.	416	+	229	=	645
6.	773	+	217	=	990
7.	877	+	750	=	1.627
8.	981	+	840	=	1.821
9.	660	+	642	=	1.302
10.	991	+	400	=	1.391

Oefening 2
1.	709	+	419	=	1.128
2.	548	+	386	=	934
3.	679	+	613	=	1.292
4.	734	+	394	=	1.128
5.	505	+	269	=	774
6.	749	+	218	=	967
7.	685	+	630	=	1.315
8.	753	+	488	=	1.241
9.	867	+	734	=	1.601
10.	439	+	273	=	712

Oefening 3
1.	576	+	455	=	1.031
2.	582	+	508	=	1.090
3.	808	+	606	=	1.414
4.	987	+	546	=	1.533
5.	339	+	228	=	567
6.	909	+	815	=	1.724
7.	835	+	732	=	1.567
8.	872	+	535	=	1.407
9.	433	+	202	=	635
10.	972	+	402	=	1.374

Oefening 4
1.	767	+	413	=	1.180
2.	495	+	457	=	952
3.	602	+	437	=	1.039
4.	897	+	580	=	1.477
5.	879	+	465	=	1.344
6.	943	+	540	=	1.483
7.	878	+	589	=	1.467
8.	998	+	956	=	1.954
9.	723	+	613	=	1.336
10.	814	+	570	=	1.384