Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	997	+		=	1.205
2.	472	+		=	697
3.	971	+		=	1.221
4.	934	+		=	1.722
5.	294	+		=	583
6.	476	+		=	730
7.	350	+		=	558
8.	933	+		=	1.182
9.	408	+		=	711
10.	420	+		=	738

Oefening 2
1.	469	+		=	699
2.	729	+		=	1.138
3.	598	+		=	826
4.	831	+		=	1.072
5.	607	+		=	1.048
6.	986	+		=	1.740
7.	691	+		=	1.106
8.	784	+		=	1.162
9.	833	+		=	1.227
10.	552	+		=	852

Oefening 3
1.	694	+		=	1.210
2.	685	+		=	1.152
3.	699	+		=	1.240
4.	665	+		=	1.087
5.	328	+		=	645
6.	887	+		=	1.374
7.	885	+		=	1.755
8.	908	+		=	1.251
9.	744	+		=	1.330
10.	692	+		=	1.252

Oefening 4
1.	504	+		=	940
2.	933	+		=	1.839
3.	848	+		=	1.453
4.	825	+		=	1.635
5.	815	+		=	1.137
6.	731	+		=	1.118
7.	668	+		=	1.146
8.	622	+		=	946
9.	948	+		=	1.181
10.	819	+		=	1.311

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	997	+	208	=	1.205
2.	472	+	225	=	697
3.	971	+	250	=	1.221
4.	934	+	788	=	1.722
5.	294	+	289	=	583
6.	476	+	254	=	730
7.	350	+	208	=	558
8.	933	+	249	=	1.182
9.	408	+	303	=	711
10.	420	+	318	=	738

Oefening 2
1.	469	+	230	=	699
2.	729	+	409	=	1.138
3.	598	+	228	=	826
4.	831	+	241	=	1.072
5.	607	+	441	=	1.048
6.	986	+	754	=	1.740
7.	691	+	415	=	1.106
8.	784	+	378	=	1.162
9.	833	+	394	=	1.227
10.	552	+	300	=	852

Oefening 3
1.	694	+	516	=	1.210
2.	685	+	467	=	1.152
3.	699	+	541	=	1.240
4.	665	+	422	=	1.087
5.	328	+	317	=	645
6.	887	+	487	=	1.374
7.	885	+	870	=	1.755
8.	908	+	343	=	1.251
9.	744	+	586	=	1.330
10.	692	+	560	=	1.252

Oefening 4
1.	504	+	436	=	940
2.	933	+	906	=	1.839
3.	848	+	605	=	1.453
4.	825	+	810	=	1.635
5.	815	+	322	=	1.137
6.	731	+	387	=	1.118
7.	668	+	478	=	1.146
8.	622	+	324	=	946
9.	948	+	233	=	1.181
10.	819	+	492	=	1.311