Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	440	+		=	801
2.	770	+		=	1.183
3.	901	+		=	1.210
4.	832	+		=	1.147
5.	727	+		=	1.098
6.	877	+		=	1.729
7.	602	+		=	870
8.	947	+		=	1.494
9.	709	+		=	985
10.	584	+		=	1.069

Oefening 2
1.	998	+		=	1.964
2.	872	+		=	1.233
3.	710	+		=	1.177
4.	720	+		=	1.432
5.	883	+		=	1.306
6.	737	+		=	979
7.	750	+		=	1.213
8.	744	+		=	1.310
9.	806	+		=	1.586
10.	838	+		=	1.599

Oefening 3
1.	965	+		=	1.406
2.	826	+		=	1.029
3.	481	+		=	828
4.	752	+		=	1.405
5.	636	+		=	1.219
6.	656	+		=	1.119
7.	851	+		=	1.576
8.	884	+		=	1.699
9.	915	+		=	1.335
10.	722	+		=	1.124

Oefening 4
1.	627	+		=	1.010
2.	688	+		=	1.273
3.	682	+		=	893
4.	809	+		=	1.338
5.	912	+		=	1.139
6.	642	+		=	1.061
7.	832	+		=	1.593
8.	753	+		=	1.489
9.	896	+		=	1.520
10.	828	+		=	1.645

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	440	+	361	=	801
2.	770	+	413	=	1.183
3.	901	+	309	=	1.210
4.	832	+	315	=	1.147
5.	727	+	371	=	1.098
6.	877	+	852	=	1.729
7.	602	+	268	=	870
8.	947	+	547	=	1.494
9.	709	+	276	=	985
10.	584	+	485	=	1.069

Oefening 2
1.	998	+	966	=	1.964
2.	872	+	361	=	1.233
3.	710	+	467	=	1.177
4.	720	+	712	=	1.432
5.	883	+	423	=	1.306
6.	737	+	242	=	979
7.	750	+	463	=	1.213
8.	744	+	566	=	1.310
9.	806	+	780	=	1.586
10.	838	+	761	=	1.599

Oefening 3
1.	965	+	441	=	1.406
2.	826	+	203	=	1.029
3.	481	+	347	=	828
4.	752	+	653	=	1.405
5.	636	+	583	=	1.219
6.	656	+	463	=	1.119
7.	851	+	725	=	1.576
8.	884	+	815	=	1.699
9.	915	+	420	=	1.335
10.	722	+	402	=	1.124

Oefening 4
1.	627	+	383	=	1.010
2.	688	+	585	=	1.273
3.	682	+	211	=	893
4.	809	+	529	=	1.338
5.	912	+	227	=	1.139
6.	642	+	419	=	1.061
7.	832	+	761	=	1.593
8.	753	+	736	=	1.489
9.	896	+	624	=	1.520
10.	828	+	817	=	1.645