Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	744	+		=	1.399
2.	682	+		=	1.295
3.	403	+		=	665
4.	796	+		=	1.088
5.	910	+		=	1.588
6.	975	+		=	1.553
7.	621	+		=	1.237
8.	789	+		=	1.180
9.	610	+		=	1.057
10.	795	+		=	1.467

Oefening 2
1.	977	+		=	1.945
2.	852	+		=	1.342
3.	998	+		=	1.368
4.	781	+		=	1.003
5.	609	+		=	1.042
6.	702	+		=	1.115
7.	658	+		=	1.308
8.	455	+		=	736
9.	960	+		=	1.682
10.	501	+		=	770

Oefening 3
1.	902	+		=	1.461
2.	947	+		=	1.613
3.	548	+		=	882
4.	985	+		=	1.411
5.	694	+		=	1.095
6.	995	+		=	1.948
7.	473	+		=	788
8.	927	+		=	1.243
9.	446	+		=	763
10.	745	+		=	1.162

Oefening 4
1.	897	+		=	1.291
2.	700	+		=	1.133
3.	818	+		=	1.561
4.	670	+		=	911
5.	642	+		=	889
6.	833	+		=	1.435
7.	900	+		=	1.661
8.	546	+		=	748
9.	838	+		=	1.343
10.	866	+		=	1.677

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	744	+	655	=	1.399
2.	682	+	613	=	1.295
3.	403	+	262	=	665
4.	796	+	292	=	1.088
5.	910	+	678	=	1.588
6.	975	+	578	=	1.553
7.	621	+	616	=	1.237
8.	789	+	391	=	1.180
9.	610	+	447	=	1.057
10.	795	+	672	=	1.467

Oefening 2
1.	977	+	968	=	1.945
2.	852	+	490	=	1.342
3.	998	+	370	=	1.368
4.	781	+	222	=	1.003
5.	609	+	433	=	1.042
6.	702	+	413	=	1.115
7.	658	+	650	=	1.308
8.	455	+	281	=	736
9.	960	+	722	=	1.682
10.	501	+	269	=	770

Oefening 3
1.	902	+	559	=	1.461
2.	947	+	666	=	1.613
3.	548	+	334	=	882
4.	985	+	426	=	1.411
5.	694	+	401	=	1.095
6.	995	+	953	=	1.948
7.	473	+	315	=	788
8.	927	+	316	=	1.243
9.	446	+	317	=	763
10.	745	+	417	=	1.162

Oefening 4
1.	897	+	394	=	1.291
2.	700	+	433	=	1.133
3.	818	+	743	=	1.561
4.	670	+	241	=	911
5.	642	+	247	=	889
6.	833	+	602	=	1.435
7.	900	+	761	=	1.661
8.	546	+	202	=	748
9.	838	+	505	=	1.343
10.	866	+	811	=	1.677