Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	489	+		=	904
2.	164	+		=	308
3.	392	+		=	557
4.	360	+		=	536
5.	355	+		=	497
6.	234	+		=	457
7.	500	+		=	834
8.	342	+		=	475
9.	166	+		=	332
10.	380	+		=	592

Oefening 2
1.	320	+		=	616
2.	466	+		=	638
3.	460	+		=	595
4.	280	+		=	502
5.	238	+		=	364
6.	384	+		=	497
7.	354	+		=	617
8.	355	+		=	688
9.	404	+		=	526
10.	381	+		=	712

Oefening 3
1.	413	+		=	806
2.	401	+		=	576
3.	441	+		=	614
4.	263	+		=	494
5.	462	+		=	611
6.	362	+		=	614
7.	451	+		=	702
8.	340	+		=	558
9.	480	+		=	721
10.	431	+		=	591

Oefening 4
1.	381	+		=	501
2.	374	+		=	742
3.	412	+		=	531
4.	124	+		=	244
5.	181	+		=	358
6.	390	+		=	570
7.	325	+		=	640
8.	472	+		=	756
9.	225	+		=	346
10.	264	+		=	405

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	489	+	415	=	904
2.	164	+	144	=	308
3.	392	+	165	=	557
4.	360	+	176	=	536
5.	355	+	142	=	497
6.	234	+	223	=	457
7.	500	+	334	=	834
8.	342	+	133	=	475
9.	166	+	166	=	332
10.	380	+	212	=	592

Oefening 2
1.	320	+	296	=	616
2.	466	+	172	=	638
3.	460	+	135	=	595
4.	280	+	222	=	502
5.	238	+	126	=	364
6.	384	+	113	=	497
7.	354	+	263	=	617
8.	355	+	333	=	688
9.	404	+	122	=	526
10.	381	+	331	=	712

Oefening 3
1.	413	+	393	=	806
2.	401	+	175	=	576
3.	441	+	173	=	614
4.	263	+	231	=	494
5.	462	+	149	=	611
6.	362	+	252	=	614
7.	451	+	251	=	702
8.	340	+	218	=	558
9.	480	+	241	=	721
10.	431	+	160	=	591

Oefening 4
1.	381	+	120	=	501
2.	374	+	368	=	742
3.	412	+	119	=	531
4.	124	+	120	=	244
5.	181	+	177	=	358
6.	390	+	180	=	570
7.	325	+	315	=	640
8.	472	+	284	=	756
9.	225	+	121	=	346
10.	264	+	141	=	405