Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	577	+		=	827
2.	582	+		=	819
3.	888	+		=	1.558
4.	560	+		=	870
5.	835	+		=	1.357
6.	959	+		=	1.346
7.	886	+		=	1.489
8.	674	+		=	1.302
9.	489	+		=	831
10.	961	+		=	1.836

Oefening 2
1.	946	+		=	1.225
2.	704	+		=	1.328
3.	712	+		=	1.217
4.	725	+		=	979
5.	453	+		=	708
6.	647	+		=	874
7.	694	+		=	1.013
8.	776	+		=	1.533
9.	985	+		=	1.591
10.	431	+		=	637

Oefening 3
1.	324	+		=	642
2.	556	+		=	915
3.	441	+		=	741
4.	771	+		=	1.258
5.	506	+		=	759
6.	453	+		=	817
7.	414	+		=	718
8.	762	+		=	989
9.	551	+		=	1.101
10.	786	+		=	1.238

Oefening 4
1.	816	+		=	1.077
2.	695	+		=	1.080
3.	599	+		=	1.092
4.	953	+		=	1.253
5.	488	+		=	693
6.	808	+		=	1.311
7.	886	+		=	1.120
8.	691	+		=	1.163
9.	603	+		=	874
10.	861	+		=	1.098

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	577	+	250	=	827
2.	582	+	237	=	819
3.	888	+	670	=	1.558
4.	560	+	310	=	870
5.	835	+	522	=	1.357
6.	959	+	387	=	1.346
7.	886	+	603	=	1.489
8.	674	+	628	=	1.302
9.	489	+	342	=	831
10.	961	+	875	=	1.836

Oefening 2
1.	946	+	279	=	1.225
2.	704	+	624	=	1.328
3.	712	+	505	=	1.217
4.	725	+	254	=	979
5.	453	+	255	=	708
6.	647	+	227	=	874
7.	694	+	319	=	1.013
8.	776	+	757	=	1.533
9.	985	+	606	=	1.591
10.	431	+	206	=	637

Oefening 3
1.	324	+	318	=	642
2.	556	+	359	=	915
3.	441	+	300	=	741
4.	771	+	487	=	1.258
5.	506	+	253	=	759
6.	453	+	364	=	817
7.	414	+	304	=	718
8.	762	+	227	=	989
9.	551	+	550	=	1.101
10.	786	+	452	=	1.238

Oefening 4
1.	816	+	261	=	1.077
2.	695	+	385	=	1.080
3.	599	+	493	=	1.092
4.	953	+	300	=	1.253
5.	488	+	205	=	693
6.	808	+	503	=	1.311
7.	886	+	234	=	1.120
8.	691	+	472	=	1.163
9.	603	+	271	=	874
10.	861	+	237	=	1.098