Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	677	+		=	1.126
2.	897	+		=	1.386
3.	489	+		=	889
4.	747	+		=	1.395
5.	517	+		=	869
6.	575	+		=	979
7.	970	+		=	1.493
8.	823	+		=	1.260
9.	945	+		=	1.408
10.	487	+		=	709

Oefening 2
1.	905	+		=	1.181
2.	964	+		=	1.495
3.	959	+		=	1.844
4.	923	+		=	1.757
5.	587	+		=	1.068
6.	986	+		=	1.394
7.	808	+		=	1.083
8.	637	+		=	860
9.	795	+		=	1.291
10.	861	+		=	1.153

Oefening 3
1.	440	+		=	823
2.	972	+		=	1.656
3.	456	+		=	887
4.	662	+		=	1.137
5.	809	+		=	1.433
6.	428	+		=	686
7.	870	+		=	1.182
8.	754	+		=	1.328
9.	404	+		=	765
10.	367	+		=	628

Oefening 4
1.	935	+		=	1.325
2.	763	+		=	1.096
3.	826	+		=	1.387
4.	646	+		=	1.287
5.	626	+		=	1.214
6.	874	+		=	1.457
7.	814	+		=	1.388
8.	799	+		=	1.354
9.	788	+		=	1.508
10.	245	+		=	464

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	677	+	449	=	1.126
2.	897	+	489	=	1.386
3.	489	+	400	=	889
4.	747	+	648	=	1.395
5.	517	+	352	=	869
6.	575	+	404	=	979
7.	970	+	523	=	1.493
8.	823	+	437	=	1.260
9.	945	+	463	=	1.408
10.	487	+	222	=	709

Oefening 2
1.	905	+	276	=	1.181
2.	964	+	531	=	1.495
3.	959	+	885	=	1.844
4.	923	+	834	=	1.757
5.	587	+	481	=	1.068
6.	986	+	408	=	1.394
7.	808	+	275	=	1.083
8.	637	+	223	=	860
9.	795	+	496	=	1.291
10.	861	+	292	=	1.153

Oefening 3
1.	440	+	383	=	823
2.	972	+	684	=	1.656
3.	456	+	431	=	887
4.	662	+	475	=	1.137
5.	809	+	624	=	1.433
6.	428	+	258	=	686
7.	870	+	312	=	1.182
8.	754	+	574	=	1.328
9.	404	+	361	=	765
10.	367	+	261	=	628

Oefening 4
1.	935	+	390	=	1.325
2.	763	+	333	=	1.096
3.	826	+	561	=	1.387
4.	646	+	641	=	1.287
5.	626	+	588	=	1.214
6.	874	+	583	=	1.457
7.	814	+	574	=	1.388
8.	799	+	555	=	1.354
9.	788	+	720	=	1.508
10.	245	+	219	=	464