Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	842	+		=	1.418
2.	544	+		=	803
3.	620	+		=	1.144
4.	716	+		=	1.279
5.	642	+		=	858
6.	515	+		=	825
7.	743	+		=	1.422
8.	749	+		=	1.135
9.	989	+		=	1.575
10.	956	+		=	1.846

Oefening 2
1.	689	+		=	1.340
2.	578	+		=	989
3.	620	+		=	849
4.	643	+		=	957
5.	947	+		=	1.714
6.	926	+		=	1.780
7.	879	+		=	1.462
8.	1.000	+		=	1.940
9.	628	+		=	1.244
10.	887	+		=	1.288

Oefening 3
1.	576	+		=	991
2.	932	+		=	1.226
3.	880	+		=	1.485
4.	976	+		=	1.784
5.	874	+		=	1.147
6.	351	+		=	694
7.	594	+		=	1.033
8.	753	+		=	1.155
9.	542	+		=	896
10.	605	+		=	879

Oefening 4
1.	504	+		=	954
2.	754	+		=	994
3.	876	+		=	1.561
4.	504	+		=	811
5.	992	+		=	1.907
6.	608	+		=	1.120
7.	711	+		=	1.281
8.	953	+		=	1.874
9.	324	+		=	615
10.	987	+		=	1.683

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	842	+	576	=	1.418
2.	544	+	259	=	803
3.	620	+	524	=	1.144
4.	716	+	563	=	1.279
5.	642	+	216	=	858
6.	515	+	310	=	825
7.	743	+	679	=	1.422
8.	749	+	386	=	1.135
9.	989	+	586	=	1.575
10.	956	+	890	=	1.846

Oefening 2
1.	689	+	651	=	1.340
2.	578	+	411	=	989
3.	620	+	229	=	849
4.	643	+	314	=	957
5.	947	+	767	=	1.714
6.	926	+	854	=	1.780
7.	879	+	583	=	1.462
8.	1.000	+	940	=	1.940
9.	628	+	616	=	1.244
10.	887	+	401	=	1.288

Oefening 3
1.	576	+	415	=	991
2.	932	+	294	=	1.226
3.	880	+	605	=	1.485
4.	976	+	808	=	1.784
5.	874	+	273	=	1.147
6.	351	+	343	=	694
7.	594	+	439	=	1.033
8.	753	+	402	=	1.155
9.	542	+	354	=	896
10.	605	+	274	=	879

Oefening 4
1.	504	+	450	=	954
2.	754	+	240	=	994
3.	876	+	685	=	1.561
4.	504	+	307	=	811
5.	992	+	915	=	1.907
6.	608	+	512	=	1.120
7.	711	+	570	=	1.281
8.	953	+	921	=	1.874
9.	324	+	291	=	615
10.	987	+	696	=	1.683