Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	998	+		=	1.543
2.	975	+		=	1.380
3.	661	+		=	1.129
4.	783	+		=	1.430
5.	865	+		=	1.104
6.	821	+		=	1.335
7.	729	+		=	996
8.	409	+		=	744
9.	545	+		=	762
10.	574	+		=	778

Oefening 2
1.	814	+		=	1.612
2.	815	+		=	1.579
3.	611	+		=	828
4.	793	+		=	1.446
5.	929	+		=	1.428
6.	741	+		=	1.221
7.	927	+		=	1.142
8.	815	+		=	1.628
9.	691	+		=	1.091
10.	840	+		=	1.602

Oefening 3
1.	766	+		=	1.527
2.	483	+		=	948
3.	966	+		=	1.482
4.	775	+		=	1.393
5.	971	+		=	1.253
6.	643	+		=	933
7.	545	+		=	920
8.	890	+		=	1.518
9.	898	+		=	1.341
10.	900	+		=	1.244

Oefening 4
1.	772	+		=	1.223
2.	752	+		=	1.253
3.	561	+		=	847
4.	405	+		=	727
5.	796	+		=	1.376
6.	866	+		=	1.679
7.	723	+		=	1.089
8.	489	+		=	710
9.	580	+		=	913
10.	292	+		=	549

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	998	+	545	=	1.543
2.	975	+	405	=	1.380
3.	661	+	468	=	1.129
4.	783	+	647	=	1.430
5.	865	+	239	=	1.104
6.	821	+	514	=	1.335
7.	729	+	267	=	996
8.	409	+	335	=	744
9.	545	+	217	=	762
10.	574	+	204	=	778

Oefening 2
1.	814	+	798	=	1.612
2.	815	+	764	=	1.579
3.	611	+	217	=	828
4.	793	+	653	=	1.446
5.	929	+	499	=	1.428
6.	741	+	480	=	1.221
7.	927	+	215	=	1.142
8.	815	+	813	=	1.628
9.	691	+	400	=	1.091
10.	840	+	762	=	1.602

Oefening 3
1.	766	+	761	=	1.527
2.	483	+	465	=	948
3.	966	+	516	=	1.482
4.	775	+	618	=	1.393
5.	971	+	282	=	1.253
6.	643	+	290	=	933
7.	545	+	375	=	920
8.	890	+	628	=	1.518
9.	898	+	443	=	1.341
10.	900	+	344	=	1.244

Oefening 4
1.	772	+	451	=	1.223
2.	752	+	501	=	1.253
3.	561	+	286	=	847
4.	405	+	322	=	727
5.	796	+	580	=	1.376
6.	866	+	813	=	1.679
7.	723	+	366	=	1.089
8.	489	+	221	=	710
9.	580	+	333	=	913
10.	292	+	257	=	549