Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	420	+		=	776
2.	448	+		=	848
3.	338	+		=	667
4.	300	+		=	539
5.	316	+		=	531
6.	364	+		=	594
7.	494	+		=	595
8.	466	+		=	633
9.	458	+		=	768
10.	420	+		=	587

Oefening 2
1.	267	+		=	532
2.	451	+		=	892
3.	282	+		=	450
4.	268	+		=	532
5.	284	+		=	491
6.	454	+		=	580
7.	373	+		=	666
8.	490	+		=	672
9.	233	+		=	336
10.	451	+		=	666

Oefening 3
1.	359	+		=	621
2.	289	+		=	413
3.	296	+		=	410
4.	493	+		=	718
5.	426	+		=	545
6.	293	+		=	528
7.	327	+		=	593
8.	400	+		=	625
9.	415	+		=	640
10.	348	+		=	484

Oefening 4
1.	345	+		=	638
2.	447	+		=	712
3.	287	+		=	418
4.	254	+		=	438
5.	418	+		=	590
6.	463	+		=	766
7.	319	+		=	494
8.	389	+		=	729
9.	216	+		=	365
10.	426	+		=	624

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	420	+	356	=	776
2.	448	+	400	=	848
3.	338	+	329	=	667
4.	300	+	239	=	539
5.	316	+	215	=	531
6.	364	+	230	=	594
7.	494	+	101	=	595
8.	466	+	167	=	633
9.	458	+	310	=	768
10.	420	+	167	=	587

Oefening 2
1.	267	+	265	=	532
2.	451	+	441	=	892
3.	282	+	168	=	450
4.	268	+	264	=	532
5.	284	+	207	=	491
6.	454	+	126	=	580
7.	373	+	293	=	666
8.	490	+	182	=	672
9.	233	+	103	=	336
10.	451	+	215	=	666

Oefening 3
1.	359	+	262	=	621
2.	289	+	124	=	413
3.	296	+	114	=	410
4.	493	+	225	=	718
5.	426	+	119	=	545
6.	293	+	235	=	528
7.	327	+	266	=	593
8.	400	+	225	=	625
9.	415	+	225	=	640
10.	348	+	136	=	484

Oefening 4
1.	345	+	293	=	638
2.	447	+	265	=	712
3.	287	+	131	=	418
4.	254	+	184	=	438
5.	418	+	172	=	590
6.	463	+	303	=	766
7.	319	+	175	=	494
8.	389	+	340	=	729
9.	216	+	149	=	365
10.	426	+	198	=	624