Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	688	+		=	1.131
2.	239	+		=	446
3.	857	+		=	1.108
4.	938	+		=	1.472
5.	813	+		=	1.126
6.	945	+		=	1.373
7.	593	+		=	935
8.	805	+		=	1.238
9.	991	+		=	1.602
10.	402	+		=	670

Oefening 2
1.	667	+		=	904
2.	785	+		=	1.554
3.	933	+		=	1.657
4.	642	+		=	1.064
5.	906	+		=	1.218
6.	825	+		=	1.287
7.	837	+		=	1.120
8.	914	+		=	1.500
9.	411	+		=	737
10.	674	+		=	1.207

Oefening 3
1.	788	+		=	1.354
2.	658	+		=	963
3.	747	+		=	1.469
4.	948	+		=	1.668
5.	930	+		=	1.634
6.	666	+		=	1.131
7.	835	+		=	1.427
8.	958	+		=	1.792
9.	295	+		=	519
10.	438	+		=	861

Oefening 4
1.	790	+		=	1.323
2.	349	+		=	691
3.	725	+		=	1.389
4.	990	+		=	1.482
5.	551	+		=	908
6.	749	+		=	1.009
7.	847	+		=	1.591
8.	393	+		=	629
9.	444	+		=	858
10.	696	+		=	1.102

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	688	+	443	=	1.131
2.	239	+	207	=	446
3.	857	+	251	=	1.108
4.	938	+	534	=	1.472
5.	813	+	313	=	1.126
6.	945	+	428	=	1.373
7.	593	+	342	=	935
8.	805	+	433	=	1.238
9.	991	+	611	=	1.602
10.	402	+	268	=	670

Oefening 2
1.	667	+	237	=	904
2.	785	+	769	=	1.554
3.	933	+	724	=	1.657
4.	642	+	422	=	1.064
5.	906	+	312	=	1.218
6.	825	+	462	=	1.287
7.	837	+	283	=	1.120
8.	914	+	586	=	1.500
9.	411	+	326	=	737
10.	674	+	533	=	1.207

Oefening 3
1.	788	+	566	=	1.354
2.	658	+	305	=	963
3.	747	+	722	=	1.469
4.	948	+	720	=	1.668
5.	930	+	704	=	1.634
6.	666	+	465	=	1.131
7.	835	+	592	=	1.427
8.	958	+	834	=	1.792
9.	295	+	224	=	519
10.	438	+	423	=	861

Oefening 4
1.	790	+	533	=	1.323
2.	349	+	342	=	691
3.	725	+	664	=	1.389
4.	990	+	492	=	1.482
5.	551	+	357	=	908
6.	749	+	260	=	1.009
7.	847	+	744	=	1.591
8.	393	+	236	=	629
9.	444	+	414	=	858
10.	696	+	406	=	1.102