Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	899	+		=	1.523
2.	961	+		=	1.445
3.	869	+		=	1.450
4.	821	+		=	1.608
5.	797	+		=	1.411
6.	722	+		=	929
7.	412	+		=	740
8.	529	+		=	982
9.	831	+		=	1.324
10.	897	+		=	1.438

Oefening 2
1.	967	+		=	1.630
2.	986	+		=	1.638
3.	683	+		=	1.018
4.	945	+		=	1.225
5.	509	+		=	795
6.	298	+		=	556
7.	876	+		=	1.429
8.	929	+		=	1.347
9.	862	+		=	1.078
10.	928	+		=	1.170

Oefening 3
1.	956	+		=	1.161
2.	977	+		=	1.699
3.	830	+		=	1.136
4.	698	+		=	1.366
5.	660	+		=	1.270
6.	412	+		=	808
7.	785	+		=	1.282
8.	505	+		=	836
9.	579	+		=	986
10.	976	+		=	1.539

Oefening 4
1.	946	+		=	1.347
2.	897	+		=	1.728
3.	995	+		=	1.906
4.	978	+		=	1.596
5.	639	+		=	907
6.	878	+		=	1.423
7.	686	+		=	1.329
8.	737	+		=	1.142
9.	522	+		=	861
10.	870	+		=	1.100

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	899	+	624	=	1.523
2.	961	+	484	=	1.445
3.	869	+	581	=	1.450
4.	821	+	787	=	1.608
5.	797	+	614	=	1.411
6.	722	+	207	=	929
7.	412	+	328	=	740
8.	529	+	453	=	982
9.	831	+	493	=	1.324
10.	897	+	541	=	1.438

Oefening 2
1.	967	+	663	=	1.630
2.	986	+	652	=	1.638
3.	683	+	335	=	1.018
4.	945	+	280	=	1.225
5.	509	+	286	=	795
6.	298	+	258	=	556
7.	876	+	553	=	1.429
8.	929	+	418	=	1.347
9.	862	+	216	=	1.078
10.	928	+	242	=	1.170

Oefening 3
1.	956	+	205	=	1.161
2.	977	+	722	=	1.699
3.	830	+	306	=	1.136
4.	698	+	668	=	1.366
5.	660	+	610	=	1.270
6.	412	+	396	=	808
7.	785	+	497	=	1.282
8.	505	+	331	=	836
9.	579	+	407	=	986
10.	976	+	563	=	1.539

Oefening 4
1.	946	+	401	=	1.347
2.	897	+	831	=	1.728
3.	995	+	911	=	1.906
4.	978	+	618	=	1.596
5.	639	+	268	=	907
6.	878	+	545	=	1.423
7.	686	+	643	=	1.329
8.	737	+	405	=	1.142
9.	522	+	339	=	861
10.	870	+	230	=	1.100