Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	804	+		=	1.019
2.	303	+		=	563
3.	622	+		=	1.174
4.	517	+		=	863
5.	470	+		=	835
6.	452	+		=	846
7.	554	+		=	776
8.	767	+		=	999
9.	995	+		=	1.663
10.	850	+		=	1.103

Oefening 2
1.	596	+		=	887
2.	725	+		=	1.127
3.	835	+		=	1.352
4.	639	+		=	1.137
5.	339	+		=	603
6.	257	+		=	486
7.	842	+		=	1.398
8.	500	+		=	760
9.	382	+		=	616
10.	579	+		=	1.111

Oefening 3
1.	954	+		=	1.236
2.	625	+		=	927
3.	872	+		=	1.508
4.	810	+		=	1.596
5.	729	+		=	985
6.	992	+		=	1.276
7.	380	+		=	643
8.	769	+		=	1.450
9.	608	+		=	1.128
10.	566	+		=	1.095

Oefening 4
1.	612	+		=	947
2.	910	+		=	1.555
3.	971	+		=	1.231
4.	631	+		=	921
5.	953	+		=	1.646
6.	644	+		=	1.034
7.	682	+		=	1.032
8.	639	+		=	912
9.	386	+		=	759
10.	579	+		=	1.060

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	804	+	215	=	1.019
2.	303	+	260	=	563
3.	622	+	552	=	1.174
4.	517	+	346	=	863
5.	470	+	365	=	835
6.	452	+	394	=	846
7.	554	+	222	=	776
8.	767	+	232	=	999
9.	995	+	668	=	1.663
10.	850	+	253	=	1.103

Oefening 2
1.	596	+	291	=	887
2.	725	+	402	=	1.127
3.	835	+	517	=	1.352
4.	639	+	498	=	1.137
5.	339	+	264	=	603
6.	257	+	229	=	486
7.	842	+	556	=	1.398
8.	500	+	260	=	760
9.	382	+	234	=	616
10.	579	+	532	=	1.111

Oefening 3
1.	954	+	282	=	1.236
2.	625	+	302	=	927
3.	872	+	636	=	1.508
4.	810	+	786	=	1.596
5.	729	+	256	=	985
6.	992	+	284	=	1.276
7.	380	+	263	=	643
8.	769	+	681	=	1.450
9.	608	+	520	=	1.128
10.	566	+	529	=	1.095

Oefening 4
1.	612	+	335	=	947
2.	910	+	645	=	1.555
3.	971	+	260	=	1.231
4.	631	+	290	=	921
5.	953	+	693	=	1.646
6.	644	+	390	=	1.034
7.	682	+	350	=	1.032
8.	639	+	273	=	912
9.	386	+	373	=	759
10.	579	+	481	=	1.060