Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	888	+		=	1.169
2.	839	+		=	1.199
3.	331	+		=	581
4.	926	+		=	1.742
5.	517	+		=	866
6.	541	+		=	758
7.	858	+		=	1.150
8.	727	+		=	1.397
9.	775	+		=	993
10.	358	+		=	647

Oefening 2
1.	824	+		=	1.635
2.	378	+		=	655
3.	588	+		=	1.082
4.	767	+		=	1.116
5.	610	+		=	876
6.	752	+		=	1.145
7.	862	+		=	1.400
8.	917	+		=	1.422
9.	969	+		=	1.282
10.	477	+		=	699

Oefening 3
1.	773	+		=	1.516
2.	985	+		=	1.319
3.	986	+		=	1.345
4.	773	+		=	1.125
5.	782	+		=	1.264
6.	713	+		=	1.413
7.	551	+		=	1.079
8.	992	+		=	1.594
9.	669	+		=	1.261
10.	577	+		=	872

Oefening 4
1.	691	+		=	1.282
2.	989	+		=	1.463
3.	963	+		=	1.860
4.	798	+		=	1.556
5.	731	+		=	1.002
6.	565	+		=	941
7.	474	+		=	737
8.	999	+		=	1.409
9.	611	+		=	949
10.	983	+		=	1.211

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	888	+	281	=	1.169
2.	839	+	360	=	1.199
3.	331	+	250	=	581
4.	926	+	816	=	1.742
5.	517	+	349	=	866
6.	541	+	217	=	758
7.	858	+	292	=	1.150
8.	727	+	670	=	1.397
9.	775	+	218	=	993
10.	358	+	289	=	647

Oefening 2
1.	824	+	811	=	1.635
2.	378	+	277	=	655
3.	588	+	494	=	1.082
4.	767	+	349	=	1.116
5.	610	+	266	=	876
6.	752	+	393	=	1.145
7.	862	+	538	=	1.400
8.	917	+	505	=	1.422
9.	969	+	313	=	1.282
10.	477	+	222	=	699

Oefening 3
1.	773	+	743	=	1.516
2.	985	+	334	=	1.319
3.	986	+	359	=	1.345
4.	773	+	352	=	1.125
5.	782	+	482	=	1.264
6.	713	+	700	=	1.413
7.	551	+	528	=	1.079
8.	992	+	602	=	1.594
9.	669	+	592	=	1.261
10.	577	+	295	=	872

Oefening 4
1.	691	+	591	=	1.282
2.	989	+	474	=	1.463
3.	963	+	897	=	1.860
4.	798	+	758	=	1.556
5.	731	+	271	=	1.002
6.	565	+	376	=	941
7.	474	+	263	=	737
8.	999	+	410	=	1.409
9.	611	+	338	=	949
10.	983	+	228	=	1.211