Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	539	+		=	905
2.	856	+		=	1.611
3.	847	+		=	1.353
4.	328	+		=	543
5.	841	+		=	1.563
6.	886	+		=	1.594
7.	960	+		=	1.228
8.	933	+		=	1.335
9.	949	+		=	1.151
10.	573	+		=	1.039

Oefening 2
1.	652	+		=	964
2.	915	+		=	1.245
3.	956	+		=	1.707
4.	943	+		=	1.327
5.	723	+		=	1.268
6.	672	+		=	925
7.	718	+		=	1.125
8.	989	+		=	1.472
9.	956	+		=	1.440
10.	789	+		=	1.259

Oefening 3
1.	857	+		=	1.151
2.	401	+		=	768
3.	919	+		=	1.343
4.	469	+		=	898
5.	679	+		=	1.041
6.	459	+		=	751
7.	723	+		=	1.088
8.	897	+		=	1.516
9.	566	+		=	813
10.	698	+		=	1.267

Oefening 4
1.	701	+		=	1.322
2.	841	+		=	1.052
3.	970	+		=	1.530
4.	248	+		=	452
5.	669	+		=	927
6.	995	+		=	1.435
7.	404	+		=	774
8.	710	+		=	1.373
9.	484	+		=	783
10.	856	+		=	1.441

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	539	+	366	=	905
2.	856	+	755	=	1.611
3.	847	+	506	=	1.353
4.	328	+	215	=	543
5.	841	+	722	=	1.563
6.	886	+	708	=	1.594
7.	960	+	268	=	1.228
8.	933	+	402	=	1.335
9.	949	+	202	=	1.151
10.	573	+	466	=	1.039

Oefening 2
1.	652	+	312	=	964
2.	915	+	330	=	1.245
3.	956	+	751	=	1.707
4.	943	+	384	=	1.327
5.	723	+	545	=	1.268
6.	672	+	253	=	925
7.	718	+	407	=	1.125
8.	989	+	483	=	1.472
9.	956	+	484	=	1.440
10.	789	+	470	=	1.259

Oefening 3
1.	857	+	294	=	1.151
2.	401	+	367	=	768
3.	919	+	424	=	1.343
4.	469	+	429	=	898
5.	679	+	362	=	1.041
6.	459	+	292	=	751
7.	723	+	365	=	1.088
8.	897	+	619	=	1.516
9.	566	+	247	=	813
10.	698	+	569	=	1.267

Oefening 4
1.	701	+	621	=	1.322
2.	841	+	211	=	1.052
3.	970	+	560	=	1.530
4.	248	+	204	=	452
5.	669	+	258	=	927
6.	995	+	440	=	1.435
7.	404	+	370	=	774
8.	710	+	663	=	1.373
9.	484	+	299	=	783
10.	856	+	585	=	1.441