Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	507	+		=	990
2.	915	+		=	1.779
3.	461	+		=	822
4.	783	+		=	1.339
5.	662	+		=	1.049
6.	552	+		=	954
7.	717	+		=	1.072
8.	769	+		=	1.071
9.	743	+		=	1.333
10.	593	+		=	932

Oefening 2
1.	547	+		=	1.028
2.	764	+		=	1.192
3.	491	+		=	694
4.	552	+		=	756
5.	834	+		=	1.192
6.	940	+		=	1.361
7.	993	+		=	1.475
8.	966	+		=	1.466
9.	896	+		=	1.668
10.	796	+		=	999

Oefening 3
1.	856	+		=	1.220
2.	893	+		=	1.769
3.	987	+		=	1.644
4.	651	+		=	1.249
5.	933	+		=	1.556
6.	535	+		=	927
7.	911	+		=	1.162
8.	957	+		=	1.896
9.	584	+		=	949
10.	661	+		=	903

Oefening 4
1.	516	+		=	937
2.	998	+		=	1.313
3.	791	+		=	1.460
4.	626	+		=	963
5.	956	+		=	1.515
6.	946	+		=	1.562
7.	905	+		=	1.166
8.	852	+		=	1.484
9.	407	+		=	719
10.	980	+		=	1.373

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	507	+	483	=	990
2.	915	+	864	=	1.779
3.	461	+	361	=	822
4.	783	+	556	=	1.339
5.	662	+	387	=	1.049
6.	552	+	402	=	954
7.	717	+	355	=	1.072
8.	769	+	302	=	1.071
9.	743	+	590	=	1.333
10.	593	+	339	=	932

Oefening 2
1.	547	+	481	=	1.028
2.	764	+	428	=	1.192
3.	491	+	203	=	694
4.	552	+	204	=	756
5.	834	+	358	=	1.192
6.	940	+	421	=	1.361
7.	993	+	482	=	1.475
8.	966	+	500	=	1.466
9.	896	+	772	=	1.668
10.	796	+	203	=	999

Oefening 3
1.	856	+	364	=	1.220
2.	893	+	876	=	1.769
3.	987	+	657	=	1.644
4.	651	+	598	=	1.249
5.	933	+	623	=	1.556
6.	535	+	392	=	927
7.	911	+	251	=	1.162
8.	957	+	939	=	1.896
9.	584	+	365	=	949
10.	661	+	242	=	903

Oefening 4
1.	516	+	421	=	937
2.	998	+	315	=	1.313
3.	791	+	669	=	1.460
4.	626	+	337	=	963
5.	956	+	559	=	1.515
6.	946	+	616	=	1.562
7.	905	+	261	=	1.166
8.	852	+	632	=	1.484
9.	407	+	312	=	719
10.	980	+	393	=	1.373