Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	977	+		=	1.666
2.	947	+		=	1.428
3.	877	+		=	1.265
4.	727	+		=	971
5.	896	+		=	1.198
6.	853	+		=	1.656
7.	901	+		=	1.786
8.	474	+		=	762
9.	288	+		=	563
10.	738	+		=	1.011

Oefening 2
1.	678	+		=	920
2.	524	+		=	856
3.	419	+		=	691
4.	913	+		=	1.267
5.	694	+		=	1.171
6.	476	+		=	731
7.	369	+		=	682
8.	788	+		=	1.411
9.	687	+		=	1.258
10.	907	+		=	1.164

Oefening 3
1.	678	+		=	1.191
2.	837	+		=	1.613
3.	665	+		=	1.192
4.	850	+		=	1.153
5.	733	+		=	1.229
6.	898	+		=	1.721
7.	886	+		=	1.677
8.	719	+		=	1.285
9.	942	+		=	1.289
10.	729	+		=	1.161

Oefening 4
1.	815	+		=	1.080
2.	888	+		=	1.463
3.	887	+		=	1.411
4.	828	+		=	1.317
5.	922	+		=	1.525
6.	976	+		=	1.862
7.	926	+		=	1.642
8.	783	+		=	1.202
9.	988	+		=	1.300
10.	521	+		=	957

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	977	+	689	=	1.666
2.	947	+	481	=	1.428
3.	877	+	388	=	1.265
4.	727	+	244	=	971
5.	896	+	302	=	1.198
6.	853	+	803	=	1.656
7.	901	+	885	=	1.786
8.	474	+	288	=	762
9.	288	+	275	=	563
10.	738	+	273	=	1.011

Oefening 2
1.	678	+	242	=	920
2.	524	+	332	=	856
3.	419	+	272	=	691
4.	913	+	354	=	1.267
5.	694	+	477	=	1.171
6.	476	+	255	=	731
7.	369	+	313	=	682
8.	788	+	623	=	1.411
9.	687	+	571	=	1.258
10.	907	+	257	=	1.164

Oefening 3
1.	678	+	513	=	1.191
2.	837	+	776	=	1.613
3.	665	+	527	=	1.192
4.	850	+	303	=	1.153
5.	733	+	496	=	1.229
6.	898	+	823	=	1.721
7.	886	+	791	=	1.677
8.	719	+	566	=	1.285
9.	942	+	347	=	1.289
10.	729	+	432	=	1.161

Oefening 4
1.	815	+	265	=	1.080
2.	888	+	575	=	1.463
3.	887	+	524	=	1.411
4.	828	+	489	=	1.317
5.	922	+	603	=	1.525
6.	976	+	886	=	1.862
7.	926	+	716	=	1.642
8.	783	+	419	=	1.202
9.	988	+	312	=	1.300
10.	521	+	436	=	957