Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	447	+		=	714
2.	194	+		=	353
3.	249	+		=	443
4.	341	+		=	552
5.	414	+		=	670
6.	410	+		=	698
7.	272	+		=	411
8.	222	+		=	443
9.	347	+		=	507
10.	429	+		=	589

Oefening 2
1.	455	+		=	765
2.	430	+		=	685
3.	377	+		=	632
4.	407	+		=	737
5.	281	+		=	429
6.	490	+		=	782
7.	181	+		=	307
8.	257	+		=	473
9.	404	+		=	542
10.	375	+		=	737

Oefening 3
1.	236	+		=	454
2.	208	+		=	334
3.	168	+		=	288
4.	453	+		=	569
5.	326	+		=	604
6.	245	+		=	423
7.	311	+		=	529
8.	371	+		=	600
9.	177	+		=	302
10.	390	+		=	547

Oefening 4
1.	450	+		=	612
2.	321	+		=	501
3.	449	+		=	630
4.	407	+		=	775
5.	148	+		=	266
6.	434	+		=	613
7.	368	+		=	610
8.	412	+		=	640
9.	383	+		=	647
10.	265	+		=	480

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	447	+	267	=	714
2.	194	+	159	=	353
3.	249	+	194	=	443
4.	341	+	211	=	552
5.	414	+	256	=	670
6.	410	+	288	=	698
7.	272	+	139	=	411
8.	222	+	221	=	443
9.	347	+	160	=	507
10.	429	+	160	=	589

Oefening 2
1.	455	+	310	=	765
2.	430	+	255	=	685
3.	377	+	255	=	632
4.	407	+	330	=	737
5.	281	+	148	=	429
6.	490	+	292	=	782
7.	181	+	126	=	307
8.	257	+	216	=	473
9.	404	+	138	=	542
10.	375	+	362	=	737

Oefening 3
1.	236	+	218	=	454
2.	208	+	126	=	334
3.	168	+	120	=	288
4.	453	+	116	=	569
5.	326	+	278	=	604
6.	245	+	178	=	423
7.	311	+	218	=	529
8.	371	+	229	=	600
9.	177	+	125	=	302
10.	390	+	157	=	547

Oefening 4
1.	450	+	162	=	612
2.	321	+	180	=	501
3.	449	+	181	=	630
4.	407	+	368	=	775
5.	148	+	118	=	266
6.	434	+	179	=	613
7.	368	+	242	=	610
8.	412	+	228	=	640
9.	383	+	264	=	647
10.	265	+	215	=	480