Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	521	+		=	1.028
2.	999	+		=	1.404
3.	356	+		=	629
4.	920	+		=	1.570
5.	932	+		=	1.574
6.	757	+		=	1.044
7.	954	+		=	1.282
8.	801	+		=	1.527
9.	756	+		=	1.333
10.	876	+		=	1.137

Oefening 2
1.	663	+		=	1.162
2.	734	+		=	1.208
3.	949	+		=	1.515
4.	493	+		=	821
5.	798	+		=	1.142
6.	735	+		=	1.340
7.	422	+		=	661
8.	587	+		=	1.098
9.	735	+		=	1.073
10.	576	+		=	951

Oefening 3
1.	946	+		=	1.431
2.	965	+		=	1.388
3.	335	+		=	539
4.	997	+		=	1.415
5.	857	+		=	1.125
6.	788	+		=	1.315
7.	963	+		=	1.329
8.	796	+		=	1.571
9.	562	+		=	965
10.	685	+		=	995

Oefening 4
1.	973	+		=	1.224
2.	609	+		=	860
3.	934	+		=	1.441
4.	986	+		=	1.538
5.	894	+		=	1.636
6.	632	+		=	1.237
7.	732	+		=	1.267
8.	868	+		=	1.510
9.	904	+		=	1.638
10.	625	+		=	915

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	521	+	507	=	1.028
2.	999	+	405	=	1.404
3.	356	+	273	=	629
4.	920	+	650	=	1.570
5.	932	+	642	=	1.574
6.	757	+	287	=	1.044
7.	954	+	328	=	1.282
8.	801	+	726	=	1.527
9.	756	+	577	=	1.333
10.	876	+	261	=	1.137

Oefening 2
1.	663	+	499	=	1.162
2.	734	+	474	=	1.208
3.	949	+	566	=	1.515
4.	493	+	328	=	821
5.	798	+	344	=	1.142
6.	735	+	605	=	1.340
7.	422	+	239	=	661
8.	587	+	511	=	1.098
9.	735	+	338	=	1.073
10.	576	+	375	=	951

Oefening 3
1.	946	+	485	=	1.431
2.	965	+	423	=	1.388
3.	335	+	204	=	539
4.	997	+	418	=	1.415
5.	857	+	268	=	1.125
6.	788	+	527	=	1.315
7.	963	+	366	=	1.329
8.	796	+	775	=	1.571
9.	562	+	403	=	965
10.	685	+	310	=	995

Oefening 4
1.	973	+	251	=	1.224
2.	609	+	251	=	860
3.	934	+	507	=	1.441
4.	986	+	552	=	1.538
5.	894	+	742	=	1.636
6.	632	+	605	=	1.237
7.	732	+	535	=	1.267
8.	868	+	642	=	1.510
9.	904	+	734	=	1.638
10.	625	+	290	=	915