Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	588	+		=	1.032
2.	729	+		=	1.430
3.	653	+		=	875
4.	965	+		=	1.360
5.	540	+		=	950
6.	401	+		=	656
7.	949	+		=	1.194
8.	324	+		=	595
9.	739	+		=	1.461
10.	847	+		=	1.295

Oefening 2
1.	337	+		=	546
2.	960	+		=	1.682
3.	530	+		=	860
4.	750	+		=	1.065
5.	439	+		=	782
6.	591	+		=	1.166
7.	699	+		=	1.075
8.	862	+		=	1.397
9.	848	+		=	1.311
10.	768	+		=	1.180

Oefening 3
1.	963	+		=	1.466
2.	921	+		=	1.434
3.	984	+		=	1.346
4.	917	+		=	1.625
5.	551	+		=	1.025
6.	876	+		=	1.526
7.	961	+		=	1.361
8.	830	+		=	1.467
9.	674	+		=	969
10.	605	+		=	1.101

Oefening 4
1.	578	+		=	887
2.	932	+		=	1.341
3.	687	+		=	956
4.	954	+		=	1.848
5.	748	+		=	1.380
6.	335	+		=	597
7.	882	+		=	1.113
8.	645	+		=	1.034
9.	698	+		=	1.331
10.	634	+		=	1.050

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	588	+	444	=	1.032
2.	729	+	701	=	1.430
3.	653	+	222	=	875
4.	965	+	395	=	1.360
5.	540	+	410	=	950
6.	401	+	255	=	656
7.	949	+	245	=	1.194
8.	324	+	271	=	595
9.	739	+	722	=	1.461
10.	847	+	448	=	1.295

Oefening 2
1.	337	+	209	=	546
2.	960	+	722	=	1.682
3.	530	+	330	=	860
4.	750	+	315	=	1.065
5.	439	+	343	=	782
6.	591	+	575	=	1.166
7.	699	+	376	=	1.075
8.	862	+	535	=	1.397
9.	848	+	463	=	1.311
10.	768	+	412	=	1.180

Oefening 3
1.	963	+	503	=	1.466
2.	921	+	513	=	1.434
3.	984	+	362	=	1.346
4.	917	+	708	=	1.625
5.	551	+	474	=	1.025
6.	876	+	650	=	1.526
7.	961	+	400	=	1.361
8.	830	+	637	=	1.467
9.	674	+	295	=	969
10.	605	+	496	=	1.101

Oefening 4
1.	578	+	309	=	887
2.	932	+	409	=	1.341
3.	687	+	269	=	956
4.	954	+	894	=	1.848
5.	748	+	632	=	1.380
6.	335	+	262	=	597
7.	882	+	231	=	1.113
8.	645	+	389	=	1.034
9.	698	+	633	=	1.331
10.	634	+	416	=	1.050