Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	688	+		=	1.353
2.	971	+		=	1.717
3.	783	+		=	1.106
4.	927	+		=	1.726
5.	489	+		=	864
6.	309	+		=	514
7.	577	+		=	1.119
8.	972	+		=	1.444
9.	900	+		=	1.793
10.	867	+		=	1.094

Oefening 2
1.	976	+		=	1.458
2.	765	+		=	1.471
3.	907	+		=	1.538
4.	916	+		=	1.580
5.	760	+		=	1.078
6.	571	+		=	964
7.	557	+		=	878
8.	210	+		=	414
9.	884	+		=	1.666
10.	763	+		=	1.388

Oefening 3
1.	967	+		=	1.917
2.	425	+		=	828
3.	883	+		=	1.391
4.	640	+		=	853
5.	768	+		=	1.349
6.	975	+		=	1.909
7.	697	+		=	1.152
8.	968	+		=	1.297
9.	611	+		=	1.147
10.	542	+		=	1.038

Oefening 4
1.	911	+		=	1.334
2.	850	+		=	1.235
3.	738	+		=	1.238
4.	700	+		=	962
5.	464	+		=	896
6.	648	+		=	1.104
7.	718	+		=	985
8.	533	+		=	899
9.	899	+		=	1.771
10.	340	+		=	674

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	688	+	665	=	1.353
2.	971	+	746	=	1.717
3.	783	+	323	=	1.106
4.	927	+	799	=	1.726
5.	489	+	375	=	864
6.	309	+	205	=	514
7.	577	+	542	=	1.119
8.	972	+	472	=	1.444
9.	900	+	893	=	1.793
10.	867	+	227	=	1.094

Oefening 2
1.	976	+	482	=	1.458
2.	765	+	706	=	1.471
3.	907	+	631	=	1.538
4.	916	+	664	=	1.580
5.	760	+	318	=	1.078
6.	571	+	393	=	964
7.	557	+	321	=	878
8.	210	+	204	=	414
9.	884	+	782	=	1.666
10.	763	+	625	=	1.388

Oefening 3
1.	967	+	950	=	1.917
2.	425	+	403	=	828
3.	883	+	508	=	1.391
4.	640	+	213	=	853
5.	768	+	581	=	1.349
6.	975	+	934	=	1.909
7.	697	+	455	=	1.152
8.	968	+	329	=	1.297
9.	611	+	536	=	1.147
10.	542	+	496	=	1.038

Oefening 4
1.	911	+	423	=	1.334
2.	850	+	385	=	1.235
3.	738	+	500	=	1.238
4.	700	+	262	=	962
5.	464	+	432	=	896
6.	648	+	456	=	1.104
7.	718	+	267	=	985
8.	533	+	366	=	899
9.	899	+	872	=	1.771
10.	340	+	334	=	674