Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	461	+		=	863
2.	386	+		=	670
3.	857	+		=	1.400
4.	693	+		=	1.151
5.	652	+		=	1.246
6.	540	+		=	925
7.	902	+		=	1.704
8.	807	+		=	1.327
9.	545	+		=	1.016
10.	598	+		=	995

Oefening 2
1.	988	+		=	1.749
2.	633	+		=	1.208
3.	865	+		=	1.441
4.	313	+		=	592
5.	724	+		=	1.164
6.	573	+		=	919
7.	342	+		=	627
8.	809	+		=	1.513
9.	410	+		=	646
10.	862	+		=	1.084

Oefening 3
1.	685	+		=	1.086
2.	843	+		=	1.456
3.	346	+		=	668
4.	613	+		=	882
5.	812	+		=	1.589
6.	617	+		=	1.214
7.	852	+		=	1.694
8.	969	+		=	1.874
9.	969	+		=	1.831
10.	525	+		=	959

Oefening 4
1.	444	+		=	691
2.	440	+		=	872
3.	736	+		=	1.460
4.	365	+		=	703
5.	201	+		=	402
6.	570	+		=	1.001
7.	781	+		=	1.157
8.	693	+		=	1.255
9.	722	+		=	1.198
10.	947	+		=	1.739

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	461	+	402	=	863
2.	386	+	284	=	670
3.	857	+	543	=	1.400
4.	693	+	458	=	1.151
5.	652	+	594	=	1.246
6.	540	+	385	=	925
7.	902	+	802	=	1.704
8.	807	+	520	=	1.327
9.	545	+	471	=	1.016
10.	598	+	397	=	995

Oefening 2
1.	988	+	761	=	1.749
2.	633	+	575	=	1.208
3.	865	+	576	=	1.441
4.	313	+	279	=	592
5.	724	+	440	=	1.164
6.	573	+	346	=	919
7.	342	+	285	=	627
8.	809	+	704	=	1.513
9.	410	+	236	=	646
10.	862	+	222	=	1.084

Oefening 3
1.	685	+	401	=	1.086
2.	843	+	613	=	1.456
3.	346	+	322	=	668
4.	613	+	269	=	882
5.	812	+	777	=	1.589
6.	617	+	597	=	1.214
7.	852	+	842	=	1.694
8.	969	+	905	=	1.874
9.	969	+	862	=	1.831
10.	525	+	434	=	959

Oefening 4
1.	444	+	247	=	691
2.	440	+	432	=	872
3.	736	+	724	=	1.460
4.	365	+	338	=	703
5.	201	+	201	=	402
6.	570	+	431	=	1.001
7.	781	+	376	=	1.157
8.	693	+	562	=	1.255
9.	722	+	476	=	1.198
10.	947	+	792	=	1.739