Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	626	+		=	879
2.	280	+		=	534
3.	528	+		=	994
4.	509	+		=	977
5.	813	+		=	1.299
6.	393	+		=	745
7.	927	+		=	1.507
8.	775	+		=	1.288
9.	804	+		=	1.464
10.	547	+		=	1.065

Oefening 2
1.	601	+		=	1.011
2.	673	+		=	1.327
3.	887	+		=	1.452
4.	807	+		=	1.038
5.	981	+		=	1.694
6.	817	+		=	1.328
7.	853	+		=	1.068
8.	760	+		=	1.323
9.	836	+		=	1.293
10.	871	+		=	1.472

Oefening 3
1.	987	+		=	1.291
2.	429	+		=	791
3.	534	+		=	944
4.	860	+		=	1.346
5.	455	+		=	744
6.	729	+		=	937
7.	832	+		=	1.062
8.	920	+		=	1.400
9.	872	+		=	1.298
10.	692	+		=	1.006

Oefening 4
1.	961	+		=	1.885
2.	806	+		=	1.333
3.	612	+		=	1.181
4.	926	+		=	1.819
5.	448	+		=	656
6.	929	+		=	1.343
7.	629	+		=	1.243
8.	966	+		=	1.743
9.	973	+		=	1.762
10.	912	+		=	1.143

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	626	+	253	=	879
2.	280	+	254	=	534
3.	528	+	466	=	994
4.	509	+	468	=	977
5.	813	+	486	=	1.299
6.	393	+	352	=	745
7.	927	+	580	=	1.507
8.	775	+	513	=	1.288
9.	804	+	660	=	1.464
10.	547	+	518	=	1.065

Oefening 2
1.	601	+	410	=	1.011
2.	673	+	654	=	1.327
3.	887	+	565	=	1.452
4.	807	+	231	=	1.038
5.	981	+	713	=	1.694
6.	817	+	511	=	1.328
7.	853	+	215	=	1.068
8.	760	+	563	=	1.323
9.	836	+	457	=	1.293
10.	871	+	601	=	1.472

Oefening 3
1.	987	+	304	=	1.291
2.	429	+	362	=	791
3.	534	+	410	=	944
4.	860	+	486	=	1.346
5.	455	+	289	=	744
6.	729	+	208	=	937
7.	832	+	230	=	1.062
8.	920	+	480	=	1.400
9.	872	+	426	=	1.298
10.	692	+	314	=	1.006

Oefening 4
1.	961	+	924	=	1.885
2.	806	+	527	=	1.333
3.	612	+	569	=	1.181
4.	926	+	893	=	1.819
5.	448	+	208	=	656
6.	929	+	414	=	1.343
7.	629	+	614	=	1.243
8.	966	+	777	=	1.743
9.	973	+	789	=	1.762
10.	912	+	231	=	1.143