Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	715	+		=	1.257
2.	410	+		=	634
3.	453	+		=	749
4.	921	+		=	1.230
5.	980	+		=	1.354
6.	543	+		=	1.026
7.	712	+		=	1.118
8.	414	+		=	673
9.	700	+		=	1.052
10.	863	+		=	1.651

Oefening 2
1.	989	+		=	1.934
2.	618	+		=	1.156
3.	968	+		=	1.842
4.	907	+		=	1.763
5.	622	+		=	1.039
6.	386	+		=	617
7.	623	+		=	1.119
8.	873	+		=	1.721
9.	623	+		=	1.165
10.	662	+		=	985

Oefening 3
1.	579	+		=	909
2.	832	+		=	1.064
3.	931	+		=	1.290
4.	357	+		=	586
5.	974	+		=	1.454
6.	998	+		=	1.473
7.	951	+		=	1.167
8.	984	+		=	1.773
9.	720	+		=	1.385
10.	488	+		=	908

Oefening 4
1.	936	+		=	1.848
2.	998	+		=	1.355
3.	467	+		=	668
4.	512	+		=	995
5.	749	+		=	1.358
6.	937	+		=	1.560
7.	997	+		=	1.624
8.	865	+		=	1.134
9.	425	+		=	765
10.	962	+		=	1.180

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	715	+	542	=	1.257
2.	410	+	224	=	634
3.	453	+	296	=	749
4.	921	+	309	=	1.230
5.	980	+	374	=	1.354
6.	543	+	483	=	1.026
7.	712	+	406	=	1.118
8.	414	+	259	=	673
9.	700	+	352	=	1.052
10.	863	+	788	=	1.651

Oefening 2
1.	989	+	945	=	1.934
2.	618	+	538	=	1.156
3.	968	+	874	=	1.842
4.	907	+	856	=	1.763
5.	622	+	417	=	1.039
6.	386	+	231	=	617
7.	623	+	496	=	1.119
8.	873	+	848	=	1.721
9.	623	+	542	=	1.165
10.	662	+	323	=	985

Oefening 3
1.	579	+	330	=	909
2.	832	+	232	=	1.064
3.	931	+	359	=	1.290
4.	357	+	229	=	586
5.	974	+	480	=	1.454
6.	998	+	475	=	1.473
7.	951	+	216	=	1.167
8.	984	+	789	=	1.773
9.	720	+	665	=	1.385
10.	488	+	420	=	908

Oefening 4
1.	936	+	912	=	1.848
2.	998	+	357	=	1.355
3.	467	+	201	=	668
4.	512	+	483	=	995
5.	749	+	609	=	1.358
6.	937	+	623	=	1.560
7.	997	+	627	=	1.624
8.	865	+	269	=	1.134
9.	425	+	340	=	765
10.	962	+	218	=	1.180