Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	672	+		=	1.178
2.	706	+		=	1.284
3.	937	+		=	1.317
4.	847	+		=	1.230
5.	730	+		=	1.361
6.	669	+		=	1.116
7.	934	+		=	1.613
8.	837	+		=	1.355
9.	614	+		=	1.125
10.	649	+		=	1.225

Oefening 2
1.	982	+		=	1.842
2.	974	+		=	1.795
3.	451	+		=	685
4.	829	+		=	1.342
5.	966	+		=	1.572
6.	548	+		=	950
7.	961	+		=	1.679
8.	792	+		=	1.437
9.	970	+		=	1.708
10.	826	+		=	1.087

Oefening 3
1.	699	+		=	1.281
2.	600	+		=	817
3.	706	+		=	1.031
4.	831	+		=	1.412
5.	813	+		=	1.260
6.	944	+		=	1.359
7.	654	+		=	1.164
8.	345	+		=	557
9.	875	+		=	1.259
10.	971	+		=	1.875

Oefening 4
1.	730	+		=	1.401
2.	936	+		=	1.750
3.	819	+		=	1.536
4.	258	+		=	479
5.	984	+		=	1.744
6.	934	+		=	1.362
7.	709	+		=	1.401
8.	925	+		=	1.267
9.	682	+		=	1.331
10.	786	+		=	1.180

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	672	+	506	=	1.178
2.	706	+	578	=	1.284
3.	937	+	380	=	1.317
4.	847	+	383	=	1.230
5.	730	+	631	=	1.361
6.	669	+	447	=	1.116
7.	934	+	679	=	1.613
8.	837	+	518	=	1.355
9.	614	+	511	=	1.125
10.	649	+	576	=	1.225

Oefening 2
1.	982	+	860	=	1.842
2.	974	+	821	=	1.795
3.	451	+	234	=	685
4.	829	+	513	=	1.342
5.	966	+	606	=	1.572
6.	548	+	402	=	950
7.	961	+	718	=	1.679
8.	792	+	645	=	1.437
9.	970	+	738	=	1.708
10.	826	+	261	=	1.087

Oefening 3
1.	699	+	582	=	1.281
2.	600	+	217	=	817
3.	706	+	325	=	1.031
4.	831	+	581	=	1.412
5.	813	+	447	=	1.260
6.	944	+	415	=	1.359
7.	654	+	510	=	1.164
8.	345	+	212	=	557
9.	875	+	384	=	1.259
10.	971	+	904	=	1.875

Oefening 4
1.	730	+	671	=	1.401
2.	936	+	814	=	1.750
3.	819	+	717	=	1.536
4.	258	+	221	=	479
5.	984	+	760	=	1.744
6.	934	+	428	=	1.362
7.	709	+	692	=	1.401
8.	925	+	342	=	1.267
9.	682	+	649	=	1.331
10.	786	+	394	=	1.180