Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	630	+		=	1.091
2.	538	+		=	953
3.	260	+		=	463
4.	981	+		=	1.344
5.	989	+		=	1.548
6.	940	+		=	1.260
7.	544	+		=	1.016
8.	934	+		=	1.722
9.	954	+		=	1.638
10.	872	+		=	1.072

Oefening 2
1.	505	+		=	776
2.	745	+		=	1.103
3.	724	+		=	939
4.	856	+		=	1.531
5.	516	+		=	996
6.	503	+		=	834
7.	1.000	+		=	1.673
8.	713	+		=	1.001
9.	932	+		=	1.439
10.	763	+		=	1.218

Oefening 3
1.	876	+		=	1.249
2.	291	+		=	568
3.	743	+		=	1.052
4.	912	+		=	1.813
5.	623	+		=	1.185
6.	917	+		=	1.425
7.	642	+		=	1.109
8.	701	+		=	1.261
9.	359	+		=	682
10.	521	+		=	806

Oefening 4
1.	714	+		=	1.398
2.	649	+		=	986
3.	879	+		=	1.161
4.	855	+		=	1.655
5.	713	+		=	998
6.	943	+		=	1.214
7.	937	+		=	1.444
8.	965	+		=	1.266
9.	647	+		=	1.023
10.	804	+		=	1.554

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	630	+	461	=	1.091
2.	538	+	415	=	953
3.	260	+	203	=	463
4.	981	+	363	=	1.344
5.	989	+	559	=	1.548
6.	940	+	320	=	1.260
7.	544	+	472	=	1.016
8.	934	+	788	=	1.722
9.	954	+	684	=	1.638
10.	872	+	200	=	1.072

Oefening 2
1.	505	+	271	=	776
2.	745	+	358	=	1.103
3.	724	+	215	=	939
4.	856	+	675	=	1.531
5.	516	+	480	=	996
6.	503	+	331	=	834
7.	1.000	+	673	=	1.673
8.	713	+	288	=	1.001
9.	932	+	507	=	1.439
10.	763	+	455	=	1.218

Oefening 3
1.	876	+	373	=	1.249
2.	291	+	277	=	568
3.	743	+	309	=	1.052
4.	912	+	901	=	1.813
5.	623	+	562	=	1.185
6.	917	+	508	=	1.425
7.	642	+	467	=	1.109
8.	701	+	560	=	1.261
9.	359	+	323	=	682
10.	521	+	285	=	806

Oefening 4
1.	714	+	684	=	1.398
2.	649	+	337	=	986
3.	879	+	282	=	1.161
4.	855	+	800	=	1.655
5.	713	+	285	=	998
6.	943	+	271	=	1.214
7.	937	+	507	=	1.444
8.	965	+	301	=	1.266
9.	647	+	376	=	1.023
10.	804	+	750	=	1.554