Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	426	+		=	651
2.	517	+		=	735
3.	853	+		=	1.292
4.	973	+		=	1.190
5.	963	+		=	1.561
6.	969	+		=	1.307
7.	880	+		=	1.400
8.	874	+		=	1.452
9.	985	+		=	1.773
10.	921	+		=	1.401

Oefening 2
1.	671	+		=	954
2.	659	+		=	1.195
3.	800	+		=	1.216
4.	946	+		=	1.835
5.	656	+		=	925
6.	928	+		=	1.684
7.	612	+		=	966
8.	868	+		=	1.123
9.	624	+		=	1.169
10.	864	+		=	1.183

Oefening 3
1.	973	+		=	1.614
2.	865	+		=	1.386
3.	990	+		=	1.341
4.	583	+		=	967
5.	861	+		=	1.327
6.	722	+		=	1.295
7.	736	+		=	1.107
8.	353	+		=	610
9.	866	+		=	1.483
10.	382	+		=	748

Oefening 4
1.	899	+		=	1.640
2.	852	+		=	1.483
3.	563	+		=	807
4.	992	+		=	1.970
5.	559	+		=	1.076
6.	878	+		=	1.695
7.	763	+		=	1.342
8.	971	+		=	1.369
9.	761	+		=	1.399
10.	914	+		=	1.672

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	426	+	225	=	651
2.	517	+	218	=	735
3.	853	+	439	=	1.292
4.	973	+	217	=	1.190
5.	963	+	598	=	1.561
6.	969	+	338	=	1.307
7.	880	+	520	=	1.400
8.	874	+	578	=	1.452
9.	985	+	788	=	1.773
10.	921	+	480	=	1.401

Oefening 2
1.	671	+	283	=	954
2.	659	+	536	=	1.195
3.	800	+	416	=	1.216
4.	946	+	889	=	1.835
5.	656	+	269	=	925
6.	928	+	756	=	1.684
7.	612	+	354	=	966
8.	868	+	255	=	1.123
9.	624	+	545	=	1.169
10.	864	+	319	=	1.183

Oefening 3
1.	973	+	641	=	1.614
2.	865	+	521	=	1.386
3.	990	+	351	=	1.341
4.	583	+	384	=	967
5.	861	+	466	=	1.327
6.	722	+	573	=	1.295
7.	736	+	371	=	1.107
8.	353	+	257	=	610
9.	866	+	617	=	1.483
10.	382	+	366	=	748

Oefening 4
1.	899	+	741	=	1.640
2.	852	+	631	=	1.483
3.	563	+	244	=	807
4.	992	+	978	=	1.970
5.	559	+	517	=	1.076
6.	878	+	817	=	1.695
7.	763	+	579	=	1.342
8.	971	+	398	=	1.369
9.	761	+	638	=	1.399
10.	914	+	758	=	1.672