Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	414	+		=	608
2.	382	+		=	531
3.	463	+		=	586
4.	172	+		=	293
5.	251	+		=	402
6.	498	+		=	927
7.	431	+		=	549
8.	492	+		=	765
9.	446	+		=	555
10.	480	+		=	688

Oefening 2
1.	485	+		=	607
2.	254	+		=	456
3.	282	+		=	389
4.	439	+		=	710
5.	245	+		=	415
6.	385	+		=	534
7.	245	+		=	470
8.	388	+		=	767
9.	335	+		=	554
10.	489	+		=	753

Oefening 3
1.	243	+		=	455
2.	497	+		=	675
3.	233	+		=	397
4.	420	+		=	587
5.	262	+		=	446
6.	243	+		=	345
7.	285	+		=	452
8.	320	+		=	581
9.	451	+		=	701
10.	487	+		=	759

Oefening 4
1.	473	+		=	676
2.	414	+		=	739
3.	388	+		=	571
4.	463	+		=	773
5.	417	+		=	825
6.	329	+		=	460
7.	383	+		=	549
8.	497	+		=	983
9.	154	+		=	287
10.	347	+		=	693

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	414	+	194	=	608
2.	382	+	149	=	531
3.	463	+	123	=	586
4.	172	+	121	=	293
5.	251	+	151	=	402
6.	498	+	429	=	927
7.	431	+	118	=	549
8.	492	+	273	=	765
9.	446	+	109	=	555
10.	480	+	208	=	688

Oefening 2
1.	485	+	122	=	607
2.	254	+	202	=	456
3.	282	+	107	=	389
4.	439	+	271	=	710
5.	245	+	170	=	415
6.	385	+	149	=	534
7.	245	+	225	=	470
8.	388	+	379	=	767
9.	335	+	219	=	554
10.	489	+	264	=	753

Oefening 3
1.	243	+	212	=	455
2.	497	+	178	=	675
3.	233	+	164	=	397
4.	420	+	167	=	587
5.	262	+	184	=	446
6.	243	+	102	=	345
7.	285	+	167	=	452
8.	320	+	261	=	581
9.	451	+	250	=	701
10.	487	+	272	=	759

Oefening 4
1.	473	+	203	=	676
2.	414	+	325	=	739
3.	388	+	183	=	571
4.	463	+	310	=	773
5.	417	+	408	=	825
6.	329	+	131	=	460
7.	383	+	166	=	549
8.	497	+	486	=	983
9.	154	+	133	=	287
10.	347	+	346	=	693