Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	771	+		=	1.308
2.	473	+		=	863
3.	725	+		=	1.364
4.	860	+		=	1.340
5.	953	+		=	1.534
6.	758	+		=	1.090
7.	430	+		=	774
8.	740	+		=	1.351
9.	842	+		=	1.244
10.	603	+		=	1.138

Oefening 2
1.	881	+		=	1.615
2.	823	+		=	1.304
3.	428	+		=	758
4.	622	+		=	1.080
5.	972	+		=	1.727
6.	762	+		=	1.469
7.	425	+		=	718
8.	785	+		=	1.289
9.	886	+		=	1.531
10.	905	+		=	1.665

Oefening 3
1.	597	+		=	1.149
2.	458	+		=	730
3.	762	+		=	1.412
4.	625	+		=	1.014
5.	888	+		=	1.267
6.	970	+		=	1.394
7.	700	+		=	1.131
8.	676	+		=	1.053
9.	806	+		=	1.213
10.	910	+		=	1.701

Oefening 4
1.	553	+		=	906
2.	515	+		=	845
3.	889	+		=	1.646
4.	793	+		=	1.166
5.	797	+		=	1.006
6.	857	+		=	1.124
7.	380	+		=	639
8.	970	+		=	1.206
9.	857	+		=	1.669
10.	959	+		=	1.304

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	771	+	537	=	1.308
2.	473	+	390	=	863
3.	725	+	639	=	1.364
4.	860	+	480	=	1.340
5.	953	+	581	=	1.534
6.	758	+	332	=	1.090
7.	430	+	344	=	774
8.	740	+	611	=	1.351
9.	842	+	402	=	1.244
10.	603	+	535	=	1.138

Oefening 2
1.	881	+	734	=	1.615
2.	823	+	481	=	1.304
3.	428	+	330	=	758
4.	622	+	458	=	1.080
5.	972	+	755	=	1.727
6.	762	+	707	=	1.469
7.	425	+	293	=	718
8.	785	+	504	=	1.289
9.	886	+	645	=	1.531
10.	905	+	760	=	1.665

Oefening 3
1.	597	+	552	=	1.149
2.	458	+	272	=	730
3.	762	+	650	=	1.412
4.	625	+	389	=	1.014
5.	888	+	379	=	1.267
6.	970	+	424	=	1.394
7.	700	+	431	=	1.131
8.	676	+	377	=	1.053
9.	806	+	407	=	1.213
10.	910	+	791	=	1.701

Oefening 4
1.	553	+	353	=	906
2.	515	+	330	=	845
3.	889	+	757	=	1.646
4.	793	+	373	=	1.166
5.	797	+	209	=	1.006
6.	857	+	267	=	1.124
7.	380	+	259	=	639
8.	970	+	236	=	1.206
9.	857	+	812	=	1.669
10.	959	+	345	=	1.304