Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	729	+		=	1.208
2.	414	+		=	732
3.	720	+		=	1.369
4.	810	+		=	1.360
5.	609	+		=	897
6.	748	+		=	1.070
7.	662	+		=	1.133
8.	813	+		=	1.435
9.	461	+		=	852
10.	780	+		=	1.459

Oefening 2
1.	467	+		=	873
2.	960	+		=	1.163
3.	258	+		=	506
4.	547	+		=	757
5.	525	+		=	1.012
6.	384	+		=	601
7.	924	+		=	1.192
8.	777	+		=	1.234
9.	798	+		=	1.438
10.	655	+		=	1.302

Oefening 3
1.	842	+		=	1.352
2.	848	+		=	1.583
3.	632	+		=	1.208
4.	887	+		=	1.138
5.	526	+		=	836
6.	917	+		=	1.537
7.	703	+		=	1.260
8.	793	+		=	1.394
9.	941	+		=	1.761
10.	826	+		=	1.297

Oefening 4
1.	607	+		=	842
2.	450	+		=	762
3.	610	+		=	892
4.	379	+		=	691
5.	995	+		=	1.616
6.	929	+		=	1.807
7.	862	+		=	1.134
8.	918	+		=	1.170
9.	545	+		=	833
10.	932	+		=	1.485

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	729	+	479	=	1.208
2.	414	+	318	=	732
3.	720	+	649	=	1.369
4.	810	+	550	=	1.360
5.	609	+	288	=	897
6.	748	+	322	=	1.070
7.	662	+	471	=	1.133
8.	813	+	622	=	1.435
9.	461	+	391	=	852
10.	780	+	679	=	1.459

Oefening 2
1.	467	+	406	=	873
2.	960	+	203	=	1.163
3.	258	+	248	=	506
4.	547	+	210	=	757
5.	525	+	487	=	1.012
6.	384	+	217	=	601
7.	924	+	268	=	1.192
8.	777	+	457	=	1.234
9.	798	+	640	=	1.438
10.	655	+	647	=	1.302

Oefening 3
1.	842	+	510	=	1.352
2.	848	+	735	=	1.583
3.	632	+	576	=	1.208
4.	887	+	251	=	1.138
5.	526	+	310	=	836
6.	917	+	620	=	1.537
7.	703	+	557	=	1.260
8.	793	+	601	=	1.394
9.	941	+	820	=	1.761
10.	826	+	471	=	1.297

Oefening 4
1.	607	+	235	=	842
2.	450	+	312	=	762
3.	610	+	282	=	892
4.	379	+	312	=	691
5.	995	+	621	=	1.616
6.	929	+	878	=	1.807
7.	862	+	272	=	1.134
8.	918	+	252	=	1.170
9.	545	+	288	=	833
10.	932	+	553	=	1.485