Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	352	+		=	657
2.	496	+		=	850
3.	466	+		=	637
4.	251	+		=	497
5.	303	+		=	423
6.	431	+		=	621
7.	409	+		=	538
8.	347	+		=	553
9.	208	+		=	401
10.	429	+		=	583

Oefening 2
1.	245	+		=	471
2.	447	+		=	632
3.	399	+		=	517
4.	190	+		=	362
5.	365	+		=	548
6.	332	+		=	530
7.	415	+		=	726
8.	434	+		=	698
9.	479	+		=	844
10.	383	+		=	526

Oefening 3
1.	400	+		=	546
2.	428	+		=	696
3.	353	+		=	470
4.	419	+		=	579
5.	419	+		=	569
6.	373	+		=	579
7.	407	+		=	606
8.	263	+		=	459
9.	367	+		=	623
10.	297	+		=	537

Oefening 4
1.	467	+		=	796
2.	452	+		=	881
3.	244	+		=	378
4.	326	+		=	583
5.	481	+		=	959
6.	400	+		=	558
7.	293	+		=	489
8.	491	+		=	828
9.	418	+		=	719
10.	184	+		=	363

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	352	+	305	=	657
2.	496	+	354	=	850
3.	466	+	171	=	637
4.	251	+	246	=	497
5.	303	+	120	=	423
6.	431	+	190	=	621
7.	409	+	129	=	538
8.	347	+	206	=	553
9.	208	+	193	=	401
10.	429	+	154	=	583

Oefening 2
1.	245	+	226	=	471
2.	447	+	185	=	632
3.	399	+	118	=	517
4.	190	+	172	=	362
5.	365	+	183	=	548
6.	332	+	198	=	530
7.	415	+	311	=	726
8.	434	+	264	=	698
9.	479	+	365	=	844
10.	383	+	143	=	526

Oefening 3
1.	400	+	146	=	546
2.	428	+	268	=	696
3.	353	+	117	=	470
4.	419	+	160	=	579
5.	419	+	150	=	569
6.	373	+	206	=	579
7.	407	+	199	=	606
8.	263	+	196	=	459
9.	367	+	256	=	623
10.	297	+	240	=	537

Oefening 4
1.	467	+	329	=	796
2.	452	+	429	=	881
3.	244	+	134	=	378
4.	326	+	257	=	583
5.	481	+	478	=	959
6.	400	+	158	=	558
7.	293	+	196	=	489
8.	491	+	337	=	828
9.	418	+	301	=	719
10.	184	+	179	=	363