Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	638	+		=	1.203
2.	512	+		=	915
3.	864	+		=	1.295
4.	867	+		=	1.296
5.	803	+		=	1.505
6.	571	+		=	895
7.	643	+		=	1.008
8.	858	+		=	1.488
9.	621	+		=	932
10.	942	+		=	1.359

Oefening 2
1.	899	+		=	1.105
2.	399	+		=	791
3.	971	+		=	1.585
4.	809	+		=	1.010
5.	566	+		=	933
6.	713	+		=	1.115
7.	827	+		=	1.391
8.	882	+		=	1.546
9.	738	+		=	1.003
10.	817	+		=	1.634

Oefening 3
1.	973	+		=	1.731
2.	707	+		=	1.183
3.	632	+		=	1.173
4.	676	+		=	914
5.	758	+		=	1.229
6.	941	+		=	1.275
7.	949	+		=	1.652
8.	881	+		=	1.715
9.	610	+		=	1.028
10.	766	+		=	1.389

Oefening 4
1.	632	+		=	1.051
2.	824	+		=	1.420
3.	982	+		=	1.182
4.	458	+		=	693
5.	474	+		=	769
6.	664	+		=	1.033
7.	968	+		=	1.201
8.	932	+		=	1.398
9.	838	+		=	1.178
10.	558	+		=	815

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	638	+	565	=	1.203
2.	512	+	403	=	915
3.	864	+	431	=	1.295
4.	867	+	429	=	1.296
5.	803	+	702	=	1.505
6.	571	+	324	=	895
7.	643	+	365	=	1.008
8.	858	+	630	=	1.488
9.	621	+	311	=	932
10.	942	+	417	=	1.359

Oefening 2
1.	899	+	206	=	1.105
2.	399	+	392	=	791
3.	971	+	614	=	1.585
4.	809	+	201	=	1.010
5.	566	+	367	=	933
6.	713	+	402	=	1.115
7.	827	+	564	=	1.391
8.	882	+	664	=	1.546
9.	738	+	265	=	1.003
10.	817	+	817	=	1.634

Oefening 3
1.	973	+	758	=	1.731
2.	707	+	476	=	1.183
3.	632	+	541	=	1.173
4.	676	+	238	=	914
5.	758	+	471	=	1.229
6.	941	+	334	=	1.275
7.	949	+	703	=	1.652
8.	881	+	834	=	1.715
9.	610	+	418	=	1.028
10.	766	+	623	=	1.389

Oefening 4
1.	632	+	419	=	1.051
2.	824	+	596	=	1.420
3.	982	+	200	=	1.182
4.	458	+	235	=	693
5.	474	+	295	=	769
6.	664	+	369	=	1.033
7.	968	+	233	=	1.201
8.	932	+	466	=	1.398
9.	838	+	340	=	1.178
10.	558	+	257	=	815