Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	635	+		=	1.168
2.	382	+		=	583
3.	969	+		=	1.293
4.	804	+		=	1.265
5.	700	+		=	1.184
6.	886	+		=	1.663
7.	780	+		=	1.377
8.	614	+		=	1.151
9.	994	+		=	1.658
10.	938	+		=	1.866

Oefening 2
1.	518	+		=	897
2.	492	+		=	815
3.	442	+		=	837
4.	403	+		=	670
5.	815	+		=	1.060
6.	671	+		=	1.189
7.	678	+		=	1.159
8.	503	+		=	882
9.	946	+		=	1.798
10.	972	+		=	1.666

Oefening 3
1.	879	+		=	1.461
2.	636	+		=	1.178
3.	993	+		=	1.725
4.	913	+		=	1.484
5.	853	+		=	1.434
6.	378	+		=	674
7.	961	+		=	1.772
8.	744	+		=	1.078
9.	273	+		=	533
10.	766	+		=	1.457

Oefening 4
1.	772	+		=	1.523
2.	992	+		=	1.600
3.	986	+		=	1.532
4.	602	+		=	1.080
5.	975	+		=	1.705
6.	559	+		=	937
7.	780	+		=	1.398
8.	903	+		=	1.170
9.	832	+		=	1.046
10.	878	+		=	1.571

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	635	+	533	=	1.168
2.	382	+	201	=	583
3.	969	+	324	=	1.293
4.	804	+	461	=	1.265
5.	700	+	484	=	1.184
6.	886	+	777	=	1.663
7.	780	+	597	=	1.377
8.	614	+	537	=	1.151
9.	994	+	664	=	1.658
10.	938	+	928	=	1.866

Oefening 2
1.	518	+	379	=	897
2.	492	+	323	=	815
3.	442	+	395	=	837
4.	403	+	267	=	670
5.	815	+	245	=	1.060
6.	671	+	518	=	1.189
7.	678	+	481	=	1.159
8.	503	+	379	=	882
9.	946	+	852	=	1.798
10.	972	+	694	=	1.666

Oefening 3
1.	879	+	582	=	1.461
2.	636	+	542	=	1.178
3.	993	+	732	=	1.725
4.	913	+	571	=	1.484
5.	853	+	581	=	1.434
6.	378	+	296	=	674
7.	961	+	811	=	1.772
8.	744	+	334	=	1.078
9.	273	+	260	=	533
10.	766	+	691	=	1.457

Oefening 4
1.	772	+	751	=	1.523
2.	992	+	608	=	1.600
3.	986	+	546	=	1.532
4.	602	+	478	=	1.080
5.	975	+	730	=	1.705
6.	559	+	378	=	937
7.	780	+	618	=	1.398
8.	903	+	267	=	1.170
9.	832	+	214	=	1.046
10.	878	+	693	=	1.571