Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	500	+		=	921
2.	338	+		=	441
3.	441	+		=	646
4.	455	+		=	657
5.	157	+		=	268
6.	397	+		=	513
7.	258	+		=	432
8.	442	+		=	644
9.	498	+		=	967
10.	319	+		=	456

Oefening 2
1.	489	+		=	873
2.	199	+		=	335
3.	422	+		=	783
4.	476	+		=	668
5.	263	+		=	469
6.	294	+		=	559
7.	315	+		=	509
8.	478	+		=	874
9.	445	+		=	700
10.	320	+		=	509

Oefening 3
1.	327	+		=	651
2.	403	+		=	788
3.	274	+		=	383
4.	454	+		=	834
5.	336	+		=	620
6.	492	+		=	907
7.	390	+		=	545
8.	342	+		=	485
9.	443	+		=	802
10.	296	+		=	495

Oefening 4
1.	351	+		=	648
2.	432	+		=	726
3.	499	+		=	818
4.	460	+		=	898
5.	202	+		=	333
6.	426	+		=	848
7.	298	+		=	520
8.	237	+		=	366
9.	234	+		=	382
10.	337	+		=	546

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	500	+	421	=	921
2.	338	+	103	=	441
3.	441	+	205	=	646
4.	455	+	202	=	657
5.	157	+	111	=	268
6.	397	+	116	=	513
7.	258	+	174	=	432
8.	442	+	202	=	644
9.	498	+	469	=	967
10.	319	+	137	=	456

Oefening 2
1.	489	+	384	=	873
2.	199	+	136	=	335
3.	422	+	361	=	783
4.	476	+	192	=	668
5.	263	+	206	=	469
6.	294	+	265	=	559
7.	315	+	194	=	509
8.	478	+	396	=	874
9.	445	+	255	=	700
10.	320	+	189	=	509

Oefening 3
1.	327	+	324	=	651
2.	403	+	385	=	788
3.	274	+	109	=	383
4.	454	+	380	=	834
5.	336	+	284	=	620
6.	492	+	415	=	907
7.	390	+	155	=	545
8.	342	+	143	=	485
9.	443	+	359	=	802
10.	296	+	199	=	495

Oefening 4
1.	351	+	297	=	648
2.	432	+	294	=	726
3.	499	+	319	=	818
4.	460	+	438	=	898
5.	202	+	131	=	333
6.	426	+	422	=	848
7.	298	+	222	=	520
8.	237	+	129	=	366
9.	234	+	148	=	382
10.	337	+	209	=	546