Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	445	+		=	856
2.	912	+		=	1.312
3.	859	+		=	1.394
4.	691	+		=	1.119
5.	647	+		=	1.065
6.	609	+		=	972
7.	966	+		=	1.699
8.	763	+		=	1.293
9.	583	+		=	883
10.	421	+		=	632

Oefening 2
1.	788	+		=	1.461
2.	875	+		=	1.595
3.	628	+		=	1.026
4.	531	+		=	918
5.	866	+		=	1.699
6.	587	+		=	1.054
7.	216	+		=	421
8.	364	+		=	663
9.	524	+		=	1.034
10.	941	+		=	1.662

Oefening 3
1.	972	+		=	1.398
2.	734	+		=	1.290
3.	473	+		=	865
4.	964	+		=	1.189
5.	877	+		=	1.376
6.	908	+		=	1.480
7.	290	+		=	559
8.	563	+		=	868
9.	510	+		=	1.003
10.	487	+		=	807

Oefening 4
1.	969	+		=	1.677
2.	571	+		=	1.024
3.	869	+		=	1.644
4.	944	+		=	1.648
5.	972	+		=	1.331
6.	662	+		=	1.308
7.	754	+		=	1.248
8.	681	+		=	885
9.	280	+		=	510
10.	516	+		=	847

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	445	+	411	=	856
2.	912	+	400	=	1.312
3.	859	+	535	=	1.394
4.	691	+	428	=	1.119
5.	647	+	418	=	1.065
6.	609	+	363	=	972
7.	966	+	733	=	1.699
8.	763	+	530	=	1.293
9.	583	+	300	=	883
10.	421	+	211	=	632

Oefening 2
1.	788	+	673	=	1.461
2.	875	+	720	=	1.595
3.	628	+	398	=	1.026
4.	531	+	387	=	918
5.	866	+	833	=	1.699
6.	587	+	467	=	1.054
7.	216	+	205	=	421
8.	364	+	299	=	663
9.	524	+	510	=	1.034
10.	941	+	721	=	1.662

Oefening 3
1.	972	+	426	=	1.398
2.	734	+	556	=	1.290
3.	473	+	392	=	865
4.	964	+	225	=	1.189
5.	877	+	499	=	1.376
6.	908	+	572	=	1.480
7.	290	+	269	=	559
8.	563	+	305	=	868
9.	510	+	493	=	1.003
10.	487	+	320	=	807

Oefening 4
1.	969	+	708	=	1.677
2.	571	+	453	=	1.024
3.	869	+	775	=	1.644
4.	944	+	704	=	1.648
5.	972	+	359	=	1.331
6.	662	+	646	=	1.308
7.	754	+	494	=	1.248
8.	681	+	204	=	885
9.	280	+	230	=	510
10.	516	+	331	=	847