Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	785	+		=	1.167
2.	551	+		=	985
3.	963	+		=	1.538
4.	398	+		=	733
5.	709	+		=	1.221
6.	978	+		=	1.463
7.	832	+		=	1.490
8.	567	+		=	815
9.	830	+		=	1.599
10.	921	+		=	1.322

Oefening 2
1.	775	+		=	1.292
2.	351	+		=	693
3.	671	+		=	970
4.	999	+		=	1.395
5.	480	+		=	758
6.	557	+		=	971
7.	639	+		=	1.199
8.	623	+		=	1.192
9.	890	+		=	1.367
10.	983	+		=	1.251

Oefening 3
1.	893	+		=	1.767
2.	783	+		=	1.292
3.	522	+		=	765
4.	665	+		=	1.261
5.	957	+		=	1.754
6.	448	+		=	779
7.	436	+		=	728
8.	836	+		=	1.323
9.	935	+		=	1.710
10.	985	+		=	1.335

Oefening 4
1.	577	+		=	820
2.	986	+		=	1.215
3.	585	+		=	982
4.	579	+		=	998
5.	649	+		=	1.298
6.	579	+		=	1.138
7.	439	+		=	696
8.	988	+		=	1.364
9.	664	+		=	1.066
10.	553	+		=	905

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	785	+	382	=	1.167
2.	551	+	434	=	985
3.	963	+	575	=	1.538
4.	398	+	335	=	733
5.	709	+	512	=	1.221
6.	978	+	485	=	1.463
7.	832	+	658	=	1.490
8.	567	+	248	=	815
9.	830	+	769	=	1.599
10.	921	+	401	=	1.322

Oefening 2
1.	775	+	517	=	1.292
2.	351	+	342	=	693
3.	671	+	299	=	970
4.	999	+	396	=	1.395
5.	480	+	278	=	758
6.	557	+	414	=	971
7.	639	+	560	=	1.199
8.	623	+	569	=	1.192
9.	890	+	477	=	1.367
10.	983	+	268	=	1.251

Oefening 3
1.	893	+	874	=	1.767
2.	783	+	509	=	1.292
3.	522	+	243	=	765
4.	665	+	596	=	1.261
5.	957	+	797	=	1.754
6.	448	+	331	=	779
7.	436	+	292	=	728
8.	836	+	487	=	1.323
9.	935	+	775	=	1.710
10.	985	+	350	=	1.335

Oefening 4
1.	577	+	243	=	820
2.	986	+	229	=	1.215
3.	585	+	397	=	982
4.	579	+	419	=	998
5.	649	+	649	=	1.298
6.	579	+	559	=	1.138
7.	439	+	257	=	696
8.	988	+	376	=	1.364
9.	664	+	402	=	1.066
10.	553	+	352	=	905