Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	983	+		=	1.906
2.	849	+		=	1.506
3.	355	+		=	607
4.	601	+		=	1.082
5.	551	+		=	1.051
6.	808	+		=	1.256
7.	952	+		=	1.275
8.	711	+		=	1.120
9.	607	+		=	1.102
10.	357	+		=	627

Oefening 2
1.	911	+		=	1.273
2.	966	+		=	1.447
3.	928	+		=	1.411
4.	498	+		=	738
5.	899	+		=	1.109
6.	651	+		=	1.080
7.	950	+		=	1.221
8.	990	+		=	1.850
9.	800	+		=	1.246
10.	540	+		=	1.002

Oefening 3
1.	672	+		=	905
2.	756	+		=	1.075
3.	896	+		=	1.482
4.	780	+		=	1.256
5.	629	+		=	872
6.	744	+		=	1.444
7.	407	+		=	802
8.	816	+		=	1.513
9.	968	+		=	1.718
10.	988	+		=	1.831

Oefening 4
1.	848	+		=	1.134
2.	684	+		=	1.260
3.	730	+		=	956
4.	878	+		=	1.414
5.	983	+		=	1.626
6.	889	+		=	1.293
7.	304	+		=	507
8.	338	+		=	650
9.	917	+		=	1.303
10.	893	+		=	1.217

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	983	+	923	=	1.906
2.	849	+	657	=	1.506
3.	355	+	252	=	607
4.	601	+	481	=	1.082
5.	551	+	500	=	1.051
6.	808	+	448	=	1.256
7.	952	+	323	=	1.275
8.	711	+	409	=	1.120
9.	607	+	495	=	1.102
10.	357	+	270	=	627

Oefening 2
1.	911	+	362	=	1.273
2.	966	+	481	=	1.447
3.	928	+	483	=	1.411
4.	498	+	240	=	738
5.	899	+	210	=	1.109
6.	651	+	429	=	1.080
7.	950	+	271	=	1.221
8.	990	+	860	=	1.850
9.	800	+	446	=	1.246
10.	540	+	462	=	1.002

Oefening 3
1.	672	+	233	=	905
2.	756	+	319	=	1.075
3.	896	+	586	=	1.482
4.	780	+	476	=	1.256
5.	629	+	243	=	872
6.	744	+	700	=	1.444
7.	407	+	395	=	802
8.	816	+	697	=	1.513
9.	968	+	750	=	1.718
10.	988	+	843	=	1.831

Oefening 4
1.	848	+	286	=	1.134
2.	684	+	576	=	1.260
3.	730	+	226	=	956
4.	878	+	536	=	1.414
5.	983	+	643	=	1.626
6.	889	+	404	=	1.293
7.	304	+	203	=	507
8.	338	+	312	=	650
9.	917	+	386	=	1.303
10.	893	+	324	=	1.217