Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	875	+		=	1.278
2.	941	+		=	1.786
3.	748	+		=	1.137
4.	693	+		=	1.071
5.	682	+		=	1.039
6.	591	+		=	990
7.	865	+		=	1.288
8.	780	+		=	1.418
9.	653	+		=	877
10.	814	+		=	1.612

Oefening 2
1.	876	+		=	1.249
2.	641	+		=	854
3.	983	+		=	1.363
4.	729	+		=	1.292
5.	637	+		=	1.128
6.	807	+		=	1.352
7.	874	+		=	1.682
8.	408	+		=	610
9.	922	+		=	1.270
10.	964	+		=	1.419

Oefening 3
1.	559	+		=	832
2.	926	+		=	1.245
3.	488	+		=	930
4.	870	+		=	1.109
5.	999	+		=	1.683
6.	951	+		=	1.727
7.	553	+		=	839
8.	663	+		=	989
9.	721	+		=	1.362
10.	986	+		=	1.477

Oefening 4
1.	711	+		=	922
2.	961	+		=	1.206
3.	851	+		=	1.105
4.	722	+		=	1.098
5.	562	+		=	1.039
6.	345	+		=	564
7.	620	+		=	905
8.	791	+		=	1.573
9.	739	+		=	1.409
10.	983	+		=	1.658

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	875	+	403	=	1.278
2.	941	+	845	=	1.786
3.	748	+	389	=	1.137
4.	693	+	378	=	1.071
5.	682	+	357	=	1.039
6.	591	+	399	=	990
7.	865	+	423	=	1.288
8.	780	+	638	=	1.418
9.	653	+	224	=	877
10.	814	+	798	=	1.612

Oefening 2
1.	876	+	373	=	1.249
2.	641	+	213	=	854
3.	983	+	380	=	1.363
4.	729	+	563	=	1.292
5.	637	+	491	=	1.128
6.	807	+	545	=	1.352
7.	874	+	808	=	1.682
8.	408	+	202	=	610
9.	922	+	348	=	1.270
10.	964	+	455	=	1.419

Oefening 3
1.	559	+	273	=	832
2.	926	+	319	=	1.245
3.	488	+	442	=	930
4.	870	+	239	=	1.109
5.	999	+	684	=	1.683
6.	951	+	776	=	1.727
7.	553	+	286	=	839
8.	663	+	326	=	989
9.	721	+	641	=	1.362
10.	986	+	491	=	1.477

Oefening 4
1.	711	+	211	=	922
2.	961	+	245	=	1.206
3.	851	+	254	=	1.105
4.	722	+	376	=	1.098
5.	562	+	477	=	1.039
6.	345	+	219	=	564
7.	620	+	285	=	905
8.	791	+	782	=	1.573
9.	739	+	670	=	1.409
10.	983	+	675	=	1.658