Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	978	+		=	1.257
2.	648	+		=	1.261
3.	720	+		=	1.396
4.	962	+		=	1.820
5.	903	+		=	1.344
6.	903	+		=	1.563
7.	901	+		=	1.270
8.	733	+		=	1.192
9.	567	+		=	1.048
10.	798	+		=	1.488

Oefening 2
1.	977	+		=	1.445
2.	413	+		=	805
3.	741	+		=	943
4.	891	+		=	1.606
5.	621	+		=	966
6.	993	+		=	1.525
7.	604	+		=	834
8.	739	+		=	1.221
9.	909	+		=	1.727
10.	665	+		=	1.082

Oefening 3
1.	256	+		=	503
2.	391	+		=	643
3.	975	+		=	1.911
4.	486	+		=	846
5.	804	+		=	1.391
6.	989	+		=	1.501
7.	698	+		=	1.310
8.	823	+		=	1.411
9.	714	+		=	1.203
10.	976	+		=	1.278

Oefening 4
1.	691	+		=	1.267
2.	986	+		=	1.211
3.	908	+		=	1.667
4.	993	+		=	1.588
5.	716	+		=	1.108
6.	552	+		=	1.060
7.	351	+		=	585
8.	589	+		=	1.024
9.	885	+		=	1.256
10.	890	+		=	1.359

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	978	+	279	=	1.257
2.	648	+	613	=	1.261
3.	720	+	676	=	1.396
4.	962	+	858	=	1.820
5.	903	+	441	=	1.344
6.	903	+	660	=	1.563
7.	901	+	369	=	1.270
8.	733	+	459	=	1.192
9.	567	+	481	=	1.048
10.	798	+	690	=	1.488

Oefening 2
1.	977	+	468	=	1.445
2.	413	+	392	=	805
3.	741	+	202	=	943
4.	891	+	715	=	1.606
5.	621	+	345	=	966
6.	993	+	532	=	1.525
7.	604	+	230	=	834
8.	739	+	482	=	1.221
9.	909	+	818	=	1.727
10.	665	+	417	=	1.082

Oefening 3
1.	256	+	247	=	503
2.	391	+	252	=	643
3.	975	+	936	=	1.911
4.	486	+	360	=	846
5.	804	+	587	=	1.391
6.	989	+	512	=	1.501
7.	698	+	612	=	1.310
8.	823	+	588	=	1.411
9.	714	+	489	=	1.203
10.	976	+	302	=	1.278

Oefening 4
1.	691	+	576	=	1.267
2.	986	+	225	=	1.211
3.	908	+	759	=	1.667
4.	993	+	595	=	1.588
5.	716	+	392	=	1.108
6.	552	+	508	=	1.060
7.	351	+	234	=	585
8.	589	+	435	=	1.024
9.	885	+	371	=	1.256
10.	890	+	469	=	1.359