Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	810	+		=	1.618
2.	499	+		=	874
3.	815	+		=	1.294
4.	768	+		=	1.074
5.	724	+		=	980
6.	878	+		=	1.096
7.	433	+		=	863
8.	423	+		=	652
9.	639	+		=	880
10.	808	+		=	1.198

Oefening 2
1.	661	+		=	954
2.	665	+		=	1.278
3.	945	+		=	1.588
4.	701	+		=	941
5.	572	+		=	1.116
6.	919	+		=	1.159
7.	843	+		=	1.155
8.	698	+		=	969
9.	648	+		=	962
10.	884	+		=	1.162

Oefening 3
1.	949	+		=	1.404
2.	853	+		=	1.513
3.	629	+		=	1.207
4.	927	+		=	1.777
5.	470	+		=	739
6.	940	+		=	1.185
7.	443	+		=	778
8.	446	+		=	879
9.	633	+		=	1.037
10.	623	+		=	1.239

Oefening 4
1.	688	+		=	1.346
2.	899	+		=	1.797
3.	826	+		=	1.189
4.	973	+		=	1.770
5.	495	+		=	767
6.	582	+		=	1.081
7.	694	+		=	1.233
8.	679	+		=	1.157
9.	852	+		=	1.701
10.	408	+		=	788

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	810	+	808	=	1.618
2.	499	+	375	=	874
3.	815	+	479	=	1.294
4.	768	+	306	=	1.074
5.	724	+	256	=	980
6.	878	+	218	=	1.096
7.	433	+	430	=	863
8.	423	+	229	=	652
9.	639	+	241	=	880
10.	808	+	390	=	1.198

Oefening 2
1.	661	+	293	=	954
2.	665	+	613	=	1.278
3.	945	+	643	=	1.588
4.	701	+	240	=	941
5.	572	+	544	=	1.116
6.	919	+	240	=	1.159
7.	843	+	312	=	1.155
8.	698	+	271	=	969
9.	648	+	314	=	962
10.	884	+	278	=	1.162

Oefening 3
1.	949	+	455	=	1.404
2.	853	+	660	=	1.513
3.	629	+	578	=	1.207
4.	927	+	850	=	1.777
5.	470	+	269	=	739
6.	940	+	245	=	1.185
7.	443	+	335	=	778
8.	446	+	433	=	879
9.	633	+	404	=	1.037
10.	623	+	616	=	1.239

Oefening 4
1.	688	+	658	=	1.346
2.	899	+	898	=	1.797
3.	826	+	363	=	1.189
4.	973	+	797	=	1.770
5.	495	+	272	=	767
6.	582	+	499	=	1.081
7.	694	+	539	=	1.233
8.	679	+	478	=	1.157
9.	852	+	849	=	1.701
10.	408	+	380	=	788