Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	961	+		=	1.756
2.	624	+		=	833
3.	899	+		=	1.261
4.	715	+		=	986
5.	899	+		=	1.509
6.	555	+		=	783
7.	885	+		=	1.654
8.	464	+		=	891
9.	467	+		=	768
10.	782	+		=	1.029

Oefening 2
1.	467	+		=	798
2.	968	+		=	1.510
3.	560	+		=	881
4.	670	+		=	1.235
5.	729	+		=	1.016
6.	984	+		=	1.903
7.	877	+		=	1.229
8.	879	+		=	1.421
9.	831	+		=	1.554
10.	546	+		=	949

Oefening 3
1.	991	+		=	1.839
2.	313	+		=	555
3.	734	+		=	937
4.	515	+		=	800
5.	485	+		=	890
6.	924	+		=	1.661
7.	803	+		=	1.513
8.	827	+		=	1.235
9.	912	+		=	1.278
10.	712	+		=	1.093

Oefening 4
1.	942	+		=	1.409
2.	692	+		=	1.214
3.	992	+		=	1.443
4.	977	+		=	1.287
5.	858	+		=	1.240
6.	549	+		=	884
7.	831	+		=	1.288
8.	757	+		=	1.404
9.	524	+		=	841
10.	415	+		=	776

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	961	+	795	=	1.756
2.	624	+	209	=	833
3.	899	+	362	=	1.261
4.	715	+	271	=	986
5.	899	+	610	=	1.509
6.	555	+	228	=	783
7.	885	+	769	=	1.654
8.	464	+	427	=	891
9.	467	+	301	=	768
10.	782	+	247	=	1.029

Oefening 2
1.	467	+	331	=	798
2.	968	+	542	=	1.510
3.	560	+	321	=	881
4.	670	+	565	=	1.235
5.	729	+	287	=	1.016
6.	984	+	919	=	1.903
7.	877	+	352	=	1.229
8.	879	+	542	=	1.421
9.	831	+	723	=	1.554
10.	546	+	403	=	949

Oefening 3
1.	991	+	848	=	1.839
2.	313	+	242	=	555
3.	734	+	203	=	937
4.	515	+	285	=	800
5.	485	+	405	=	890
6.	924	+	737	=	1.661
7.	803	+	710	=	1.513
8.	827	+	408	=	1.235
9.	912	+	366	=	1.278
10.	712	+	381	=	1.093

Oefening 4
1.	942	+	467	=	1.409
2.	692	+	522	=	1.214
3.	992	+	451	=	1.443
4.	977	+	310	=	1.287
5.	858	+	382	=	1.240
6.	549	+	335	=	884
7.	831	+	457	=	1.288
8.	757	+	647	=	1.404
9.	524	+	317	=	841
10.	415	+	361	=	776