Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	891	+		=	1.584
2.	957	+		=	1.280
3.	670	+		=	952
4.	561	+		=	1.096
5.	932	+		=	1.233
6.	981	+		=	1.802
7.	875	+		=	1.412
8.	936	+		=	1.281
9.	690	+		=	899
10.	953	+		=	1.814

Oefening 2
1.	631	+		=	1.169
2.	978	+		=	1.493
3.	682	+		=	1.044
4.	894	+		=	1.549
5.	983	+		=	1.395
6.	854	+		=	1.212
7.	363	+		=	563
8.	949	+		=	1.373
9.	903	+		=	1.339
10.	509	+		=	899

Oefening 3
1.	981	+		=	1.302
2.	434	+		=	847
3.	894	+		=	1.439
4.	950	+		=	1.846
5.	855	+		=	1.320
6.	876	+		=	1.160
7.	697	+		=	1.379
8.	855	+		=	1.552
9.	790	+		=	1.036
10.	688	+		=	1.229

Oefening 4
1.	890	+		=	1.290
2.	480	+		=	683
3.	735	+		=	1.430
4.	968	+		=	1.678
5.	412	+		=	674
6.	910	+		=	1.350
7.	529	+		=	917
8.	927	+		=	1.130
9.	426	+		=	827
10.	896	+		=	1.537

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	891	+	693	=	1.584
2.	957	+	323	=	1.280
3.	670	+	282	=	952
4.	561	+	535	=	1.096
5.	932	+	301	=	1.233
6.	981	+	821	=	1.802
7.	875	+	537	=	1.412
8.	936	+	345	=	1.281
9.	690	+	209	=	899
10.	953	+	861	=	1.814

Oefening 2
1.	631	+	538	=	1.169
2.	978	+	515	=	1.493
3.	682	+	362	=	1.044
4.	894	+	655	=	1.549
5.	983	+	412	=	1.395
6.	854	+	358	=	1.212
7.	363	+	200	=	563
8.	949	+	424	=	1.373
9.	903	+	436	=	1.339
10.	509	+	390	=	899

Oefening 3
1.	981	+	321	=	1.302
2.	434	+	413	=	847
3.	894	+	545	=	1.439
4.	950	+	896	=	1.846
5.	855	+	465	=	1.320
6.	876	+	284	=	1.160
7.	697	+	682	=	1.379
8.	855	+	697	=	1.552
9.	790	+	246	=	1.036
10.	688	+	541	=	1.229

Oefening 4
1.	890	+	400	=	1.290
2.	480	+	203	=	683
3.	735	+	695	=	1.430
4.	968	+	710	=	1.678
5.	412	+	262	=	674
6.	910	+	440	=	1.350
7.	529	+	388	=	917
8.	927	+	203	=	1.130
9.	426	+	401	=	827
10.	896	+	641	=	1.537