Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	993	+		=	1.962
2.	849	+		=	1.050
3.	782	+		=	1.146
4.	779	+		=	1.098
5.	386	+		=	663
6.	364	+		=	647
7.	907	+		=	1.782
8.	398	+		=	681
9.	855	+		=	1.214
10.	828	+		=	1.607

Oefening 2
1.	537	+		=	958
2.	927	+		=	1.661
3.	544	+		=	921
4.	899	+		=	1.632
5.	869	+		=	1.117
6.	709	+		=	998
7.	856	+		=	1.398
8.	694	+		=	993
9.	536	+		=	749
10.	665	+		=	1.319

Oefening 3
1.	415	+		=	663
2.	878	+		=	1.753
3.	563	+		=	1.083
4.	970	+		=	1.591
5.	984	+		=	1.731
6.	896	+		=	1.530
7.	959	+		=	1.915
8.	877	+		=	1.384
9.	431	+		=	745
10.	696	+		=	943

Oefening 4
1.	976	+		=	1.636
2.	949	+		=	1.555
3.	948	+		=	1.803
4.	506	+		=	852
5.	596	+		=	971
6.	953	+		=	1.638
7.	646	+		=	1.082
8.	513	+		=	888
9.	820	+		=	1.073
10.	470	+		=	880

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	993	+	969	=	1.962
2.	849	+	201	=	1.050
3.	782	+	364	=	1.146
4.	779	+	319	=	1.098
5.	386	+	277	=	663
6.	364	+	283	=	647
7.	907	+	875	=	1.782
8.	398	+	283	=	681
9.	855	+	359	=	1.214
10.	828	+	779	=	1.607

Oefening 2
1.	537	+	421	=	958
2.	927	+	734	=	1.661
3.	544	+	377	=	921
4.	899	+	733	=	1.632
5.	869	+	248	=	1.117
6.	709	+	289	=	998
7.	856	+	542	=	1.398
8.	694	+	299	=	993
9.	536	+	213	=	749
10.	665	+	654	=	1.319

Oefening 3
1.	415	+	248	=	663
2.	878	+	875	=	1.753
3.	563	+	520	=	1.083
4.	970	+	621	=	1.591
5.	984	+	747	=	1.731
6.	896	+	634	=	1.530
7.	959	+	956	=	1.915
8.	877	+	507	=	1.384
9.	431	+	314	=	745
10.	696	+	247	=	943

Oefening 4
1.	976	+	660	=	1.636
2.	949	+	606	=	1.555
3.	948	+	855	=	1.803
4.	506	+	346	=	852
5.	596	+	375	=	971
6.	953	+	685	=	1.638
7.	646	+	436	=	1.082
8.	513	+	375	=	888
9.	820	+	253	=	1.073
10.	470	+	410	=	880