Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	766	+		=	1.410
2.	970	+		=	1.223
3.	879	+		=	1.093
4.	833	+		=	1.357
5.	763	+		=	1.465
6.	389	+		=	707
7.	816	+		=	1.469
8.	700	+		=	1.320
9.	843	+		=	1.508
10.	775	+		=	1.475

Oefening 2
1.	526	+		=	861
2.	923	+		=	1.723
3.	687	+		=	892
4.	606	+		=	856
5.	983	+		=	1.716
6.	656	+		=	1.206
7.	979	+		=	1.492
8.	720	+		=	929
9.	886	+		=	1.692
10.	723	+		=	1.288

Oefening 3
1.	712	+		=	1.048
2.	603	+		=	891
3.	751	+		=	960
4.	864	+		=	1.351
5.	894	+		=	1.413
6.	407	+		=	674
7.	401	+		=	781
8.	623	+		=	1.046
9.	997	+		=	1.776
10.	875	+		=	1.577

Oefening 4
1.	720	+		=	1.400
2.	834	+		=	1.388
3.	874	+		=	1.545
4.	646	+		=	931
5.	569	+		=	1.130
6.	778	+		=	1.511
7.	945	+		=	1.604
8.	785	+		=	1.256
9.	887	+		=	1.241
10.	633	+		=	1.250

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	766	+	644	=	1.410
2.	970	+	253	=	1.223
3.	879	+	214	=	1.093
4.	833	+	524	=	1.357
5.	763	+	702	=	1.465
6.	389	+	318	=	707
7.	816	+	653	=	1.469
8.	700	+	620	=	1.320
9.	843	+	665	=	1.508
10.	775	+	700	=	1.475

Oefening 2
1.	526	+	335	=	861
2.	923	+	800	=	1.723
3.	687	+	205	=	892
4.	606	+	250	=	856
5.	983	+	733	=	1.716
6.	656	+	550	=	1.206
7.	979	+	513	=	1.492
8.	720	+	209	=	929
9.	886	+	806	=	1.692
10.	723	+	565	=	1.288

Oefening 3
1.	712	+	336	=	1.048
2.	603	+	288	=	891
3.	751	+	209	=	960
4.	864	+	487	=	1.351
5.	894	+	519	=	1.413
6.	407	+	267	=	674
7.	401	+	380	=	781
8.	623	+	423	=	1.046
9.	997	+	779	=	1.776
10.	875	+	702	=	1.577

Oefening 4
1.	720	+	680	=	1.400
2.	834	+	554	=	1.388
3.	874	+	671	=	1.545
4.	646	+	285	=	931
5.	569	+	561	=	1.130
6.	778	+	733	=	1.511
7.	945	+	659	=	1.604
8.	785	+	471	=	1.256
9.	887	+	354	=	1.241
10.	633	+	617	=	1.250