Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	870	+		=	1.364
2.	749	+		=	1.050
3.	659	+		=	1.065
4.	545	+		=	932
5.	787	+		=	1.120
6.	900	+		=	1.562
7.	927	+		=	1.692
8.	817	+		=	1.212
9.	432	+		=	658
10.	716	+		=	1.211

Oefening 2
1.	760	+		=	1.299
2.	982	+		=	1.803
3.	974	+		=	1.561
4.	981	+		=	1.369
5.	960	+		=	1.459
6.	788	+		=	1.399
7.	828	+		=	1.229
8.	728	+		=	1.330
9.	990	+		=	1.642
10.	842	+		=	1.409

Oefening 3
1.	713	+		=	957
2.	873	+		=	1.271
3.	789	+		=	1.143
4.	371	+		=	611
5.	524	+		=	887
6.	900	+		=	1.759
7.	872	+		=	1.684
8.	971	+		=	1.442
9.	843	+		=	1.408
10.	881	+		=	1.608

Oefening 4
1.	722	+		=	1.368
2.	452	+		=	684
3.	509	+		=	836
4.	903	+		=	1.142
5.	748	+		=	1.068
6.	586	+		=	878
7.	503	+		=	862
8.	363	+		=	649
9.	773	+		=	1.266
10.	832	+		=	1.561

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	870	+	494	=	1.364
2.	749	+	301	=	1.050
3.	659	+	406	=	1.065
4.	545	+	387	=	932
5.	787	+	333	=	1.120
6.	900	+	662	=	1.562
7.	927	+	765	=	1.692
8.	817	+	395	=	1.212
9.	432	+	226	=	658
10.	716	+	495	=	1.211

Oefening 2
1.	760	+	539	=	1.299
2.	982	+	821	=	1.803
3.	974	+	587	=	1.561
4.	981	+	388	=	1.369
5.	960	+	499	=	1.459
6.	788	+	611	=	1.399
7.	828	+	401	=	1.229
8.	728	+	602	=	1.330
9.	990	+	652	=	1.642
10.	842	+	567	=	1.409

Oefening 3
1.	713	+	244	=	957
2.	873	+	398	=	1.271
3.	789	+	354	=	1.143
4.	371	+	240	=	611
5.	524	+	363	=	887
6.	900	+	859	=	1.759
7.	872	+	812	=	1.684
8.	971	+	471	=	1.442
9.	843	+	565	=	1.408
10.	881	+	727	=	1.608

Oefening 4
1.	722	+	646	=	1.368
2.	452	+	232	=	684
3.	509	+	327	=	836
4.	903	+	239	=	1.142
5.	748	+	320	=	1.068
6.	586	+	292	=	878
7.	503	+	359	=	862
8.	363	+	286	=	649
9.	773	+	493	=	1.266
10.	832	+	729	=	1.561