Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	891	+		=	1.315
2.	392	+		=	601
3.	947	+		=	1.598
4.	818	+		=	1.452
5.	863	+		=	1.528
6.	307	+		=	544
7.	715	+		=	1.380
8.	938	+		=	1.197
9.	889	+		=	1.193
10.	622	+		=	953

Oefening 2
1.	725	+		=	1.233
2.	814	+		=	1.277
3.	702	+		=	1.273
4.	776	+		=	1.229
5.	830	+		=	1.284
6.	729	+		=	1.041
7.	339	+		=	644
8.	854	+		=	1.617
9.	971	+		=	1.789
10.	650	+		=	1.061

Oefening 3
1.	815	+		=	1.254
2.	910	+		=	1.534
3.	640	+		=	1.226
4.	493	+		=	845
5.	890	+		=	1.313
6.	784	+		=	1.480
7.	861	+		=	1.241
8.	448	+		=	685
9.	648	+		=	1.064
10.	764	+		=	1.323

Oefening 4
1.	658	+		=	1.167
2.	559	+		=	1.091
3.	811	+		=	1.223
4.	688	+		=	1.239
5.	427	+		=	758
6.	638	+		=	940
7.	974	+		=	1.298
8.	857	+		=	1.599
9.	643	+		=	1.264
10.	430	+		=	842

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	891	+	424	=	1.315
2.	392	+	209	=	601
3.	947	+	651	=	1.598
4.	818	+	634	=	1.452
5.	863	+	665	=	1.528
6.	307	+	237	=	544
7.	715	+	665	=	1.380
8.	938	+	259	=	1.197
9.	889	+	304	=	1.193
10.	622	+	331	=	953

Oefening 2
1.	725	+	508	=	1.233
2.	814	+	463	=	1.277
3.	702	+	571	=	1.273
4.	776	+	453	=	1.229
5.	830	+	454	=	1.284
6.	729	+	312	=	1.041
7.	339	+	305	=	644
8.	854	+	763	=	1.617
9.	971	+	818	=	1.789
10.	650	+	411	=	1.061

Oefening 3
1.	815	+	439	=	1.254
2.	910	+	624	=	1.534
3.	640	+	586	=	1.226
4.	493	+	352	=	845
5.	890	+	423	=	1.313
6.	784	+	696	=	1.480
7.	861	+	380	=	1.241
8.	448	+	237	=	685
9.	648	+	416	=	1.064
10.	764	+	559	=	1.323

Oefening 4
1.	658	+	509	=	1.167
2.	559	+	532	=	1.091
3.	811	+	412	=	1.223
4.	688	+	551	=	1.239
5.	427	+	331	=	758
6.	638	+	302	=	940
7.	974	+	324	=	1.298
8.	857	+	742	=	1.599
9.	643	+	621	=	1.264
10.	430	+	412	=	842