Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	660	+		=	867
2.	949	+		=	1.211
3.	945	+		=	1.234
4.	596	+		=	1.008
5.	993	+		=	1.692
6.	286	+		=	542
7.	962	+		=	1.241
8.	656	+		=	886
9.	417	+		=	714
10.	759	+		=	1.331

Oefening 2
1.	863	+		=	1.331
2.	826	+		=	1.541
3.	802	+		=	1.233
4.	857	+		=	1.125
5.	241	+		=	479
6.	628	+		=	869
7.	872	+		=	1.573
8.	920	+		=	1.143
9.	672	+		=	906
10.	623	+		=	931

Oefening 3
1.	914	+		=	1.139
2.	996	+		=	1.953
3.	770	+		=	1.389
4.	984	+		=	1.894
5.	609	+		=	813
6.	926	+		=	1.584
7.	983	+		=	1.542
8.	815	+		=	1.109
9.	459	+		=	876
10.	795	+		=	1.214

Oefening 4
1.	535	+		=	921
2.	869	+		=	1.251
3.	728	+		=	1.047
4.	840	+		=	1.208
5.	667	+		=	1.276
6.	694	+		=	1.083
7.	888	+		=	1.159
8.	799	+		=	1.378
9.	732	+		=	970
10.	882	+		=	1.492

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	660	+	207	=	867
2.	949	+	262	=	1.211
3.	945	+	289	=	1.234
4.	596	+	412	=	1.008
5.	993	+	699	=	1.692
6.	286	+	256	=	542
7.	962	+	279	=	1.241
8.	656	+	230	=	886
9.	417	+	297	=	714
10.	759	+	572	=	1.331

Oefening 2
1.	863	+	468	=	1.331
2.	826	+	715	=	1.541
3.	802	+	431	=	1.233
4.	857	+	268	=	1.125
5.	241	+	238	=	479
6.	628	+	241	=	869
7.	872	+	701	=	1.573
8.	920	+	223	=	1.143
9.	672	+	234	=	906
10.	623	+	308	=	931

Oefening 3
1.	914	+	225	=	1.139
2.	996	+	957	=	1.953
3.	770	+	619	=	1.389
4.	984	+	910	=	1.894
5.	609	+	204	=	813
6.	926	+	658	=	1.584
7.	983	+	559	=	1.542
8.	815	+	294	=	1.109
9.	459	+	417	=	876
10.	795	+	419	=	1.214

Oefening 4
1.	535	+	386	=	921
2.	869	+	382	=	1.251
3.	728	+	319	=	1.047
4.	840	+	368	=	1.208
5.	667	+	609	=	1.276
6.	694	+	389	=	1.083
7.	888	+	271	=	1.159
8.	799	+	579	=	1.378
9.	732	+	238	=	970
10.	882	+	610	=	1.492