Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	986	+		=	1.495
2.	480	+		=	926
3.	862	+		=	1.260
4.	998	+		=	1.672
5.	788	+		=	1.508
6.	650	+		=	1.171
7.	855	+		=	1.548
8.	608	+		=	875
9.	717	+		=	1.213
10.	710	+		=	1.288

Oefening 2
1.	905	+		=	1.601
2.	873	+		=	1.713
3.	878	+		=	1.613
4.	949	+		=	1.210
5.	766	+		=	1.502
6.	447	+		=	834
7.	702	+		=	1.114
8.	637	+		=	904
9.	998	+		=	1.782
10.	806	+		=	1.103

Oefening 3
1.	606	+		=	1.139
2.	849	+		=	1.531
3.	688	+		=	1.078
4.	812	+		=	1.131
5.	767	+		=	1.144
6.	532	+		=	816
7.	913	+		=	1.769
8.	555	+		=	864
9.	591	+		=	855
10.	443	+		=	863

Oefening 4
1.	414	+		=	687
2.	338	+		=	611
3.	987	+		=	1.352
4.	483	+		=	868
5.	979	+		=	1.409
6.	778	+		=	1.522
7.	939	+		=	1.336
8.	894	+		=	1.670
9.	638	+		=	1.098
10.	991	+		=	1.261

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	986	+	509	=	1.495
2.	480	+	446	=	926
3.	862	+	398	=	1.260
4.	998	+	674	=	1.672
5.	788	+	720	=	1.508
6.	650	+	521	=	1.171
7.	855	+	693	=	1.548
8.	608	+	267	=	875
9.	717	+	496	=	1.213
10.	710	+	578	=	1.288

Oefening 2
1.	905	+	696	=	1.601
2.	873	+	840	=	1.713
3.	878	+	735	=	1.613
4.	949	+	261	=	1.210
5.	766	+	736	=	1.502
6.	447	+	387	=	834
7.	702	+	412	=	1.114
8.	637	+	267	=	904
9.	998	+	784	=	1.782
10.	806	+	297	=	1.103

Oefening 3
1.	606	+	533	=	1.139
2.	849	+	682	=	1.531
3.	688	+	390	=	1.078
4.	812	+	319	=	1.131
5.	767	+	377	=	1.144
6.	532	+	284	=	816
7.	913	+	856	=	1.769
8.	555	+	309	=	864
9.	591	+	264	=	855
10.	443	+	420	=	863

Oefening 4
1.	414	+	273	=	687
2.	338	+	273	=	611
3.	987	+	365	=	1.352
4.	483	+	385	=	868
5.	979	+	430	=	1.409
6.	778	+	744	=	1.522
7.	939	+	397	=	1.336
8.	894	+	776	=	1.670
9.	638	+	460	=	1.098
10.	991	+	270	=	1.261