Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	715	+		=	1.423
2.	993	+		=	1.827
3.	777	+		=	1.164
4.	822	+		=	1.561
5.	813	+		=	1.596
6.	675	+		=	1.221
7.	909	+		=	1.815
8.	868	+		=	1.230
9.	568	+		=	816
10.	483	+		=	769

Oefening 2
1.	610	+		=	998
2.	757	+		=	1.095
3.	574	+		=	1.003
4.	380	+		=	639
5.	749	+		=	1.183
6.	492	+		=	776
7.	351	+		=	633
8.	921	+		=	1.667
9.	757	+		=	1.483
10.	882	+		=	1.642

Oefening 3
1.	436	+		=	687
2.	688	+		=	1.283
3.	996	+		=	1.831
4.	720	+		=	1.388
5.	918	+		=	1.399
6.	801	+		=	1.191
7.	595	+		=	1.067
8.	835	+		=	1.150
9.	933	+		=	1.495
10.	434	+		=	781

Oefening 4
1.	817	+		=	1.035
2.	761	+		=	983
3.	613	+		=	1.136
4.	927	+		=	1.666
5.	938	+		=	1.289
6.	655	+		=	932
7.	752	+		=	1.215
8.	834	+		=	1.037
9.	487	+		=	942
10.	709	+		=	910

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	715	+	708	=	1.423
2.	993	+	834	=	1.827
3.	777	+	387	=	1.164
4.	822	+	739	=	1.561
5.	813	+	783	=	1.596
6.	675	+	546	=	1.221
7.	909	+	906	=	1.815
8.	868	+	362	=	1.230
9.	568	+	248	=	816
10.	483	+	286	=	769

Oefening 2
1.	610	+	388	=	998
2.	757	+	338	=	1.095
3.	574	+	429	=	1.003
4.	380	+	259	=	639
5.	749	+	434	=	1.183
6.	492	+	284	=	776
7.	351	+	282	=	633
8.	921	+	746	=	1.667
9.	757	+	726	=	1.483
10.	882	+	760	=	1.642

Oefening 3
1.	436	+	251	=	687
2.	688	+	595	=	1.283
3.	996	+	835	=	1.831
4.	720	+	668	=	1.388
5.	918	+	481	=	1.399
6.	801	+	390	=	1.191
7.	595	+	472	=	1.067
8.	835	+	315	=	1.150
9.	933	+	562	=	1.495
10.	434	+	347	=	781

Oefening 4
1.	817	+	218	=	1.035
2.	761	+	222	=	983
3.	613	+	523	=	1.136
4.	927	+	739	=	1.666
5.	938	+	351	=	1.289
6.	655	+	277	=	932
7.	752	+	463	=	1.215
8.	834	+	203	=	1.037
9.	487	+	455	=	942
10.	709	+	201	=	910