Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	256	+		=	376
2.	236	+		=	336
3.	312	+		=	443
4.	145	+		=	259
5.	376	+		=	677
6.	467	+		=	698
7.	371	+		=	545
8.	134	+		=	259
9.	312	+		=	593
10.	436	+		=	824

Oefening 2
1.	402	+		=	617
2.	444	+		=	733
3.	444	+		=	643
4.	473	+		=	903
5.	303	+		=	552
6.	327	+		=	651
7.	329	+		=	579
8.	492	+		=	605
9.	449	+		=	829
10.	491	+		=	598

Oefening 3
1.	449	+		=	779
2.	367	+		=	469
3.	414	+		=	616
4.	420	+		=	595
5.	226	+		=	422
6.	465	+		=	693
7.	342	+		=	488
8.	406	+		=	548
9.	281	+		=	546
10.	492	+		=	914

Oefening 4
1.	463	+		=	597
2.	240	+		=	423
3.	147	+		=	289
4.	499	+		=	843
5.	489	+		=	808
6.	404	+		=	521
7.	223	+		=	368
8.	440	+		=	812
9.	342	+		=	679
10.	304	+		=	431

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	256	+	120	=	376
2.	236	+	100	=	336
3.	312	+	131	=	443
4.	145	+	114	=	259
5.	376	+	301	=	677
6.	467	+	231	=	698
7.	371	+	174	=	545
8.	134	+	125	=	259
9.	312	+	281	=	593
10.	436	+	388	=	824

Oefening 2
1.	402	+	215	=	617
2.	444	+	289	=	733
3.	444	+	199	=	643
4.	473	+	430	=	903
5.	303	+	249	=	552
6.	327	+	324	=	651
7.	329	+	250	=	579
8.	492	+	113	=	605
9.	449	+	380	=	829
10.	491	+	107	=	598

Oefening 3
1.	449	+	330	=	779
2.	367	+	102	=	469
3.	414	+	202	=	616
4.	420	+	175	=	595
5.	226	+	196	=	422
6.	465	+	228	=	693
7.	342	+	146	=	488
8.	406	+	142	=	548
9.	281	+	265	=	546
10.	492	+	422	=	914

Oefening 4
1.	463	+	134	=	597
2.	240	+	183	=	423
3.	147	+	142	=	289
4.	499	+	344	=	843
5.	489	+	319	=	808
6.	404	+	117	=	521
7.	223	+	145	=	368
8.	440	+	372	=	812
9.	342	+	337	=	679
10.	304	+	127	=	431