Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	277	+		=	511
2.	435	+		=	847
3.	437	+		=	836
4.	448	+		=	793
5.	487	+		=	728
6.	319	+		=	575
7.	342	+		=	502
8.	383	+		=	496
9.	282	+		=	437
10.	279	+		=	469

Oefening 2
1.	362	+		=	571
2.	190	+		=	367
3.	302	+		=	402
4.	441	+		=	689
5.	496	+		=	732
6.	489	+		=	669
7.	498	+		=	721
8.	390	+		=	736
9.	410	+		=	627
10.	431	+		=	829

Oefening 3
1.	346	+		=	657
2.	309	+		=	497
3.	453	+		=	714
4.	261	+		=	442
5.	498	+		=	842
6.	443	+		=	598
7.	477	+		=	800
8.	333	+		=	435
9.	446	+		=	725
10.	439	+		=	688

Oefening 4
1.	174	+		=	286
2.	484	+		=	783
3.	343	+		=	632
4.	257	+		=	362
5.	441	+		=	683
6.	229	+		=	332
7.	440	+		=	701
8.	410	+		=	540
9.	479	+		=	821
10.	363	+		=	474

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	277	+	234	=	511
2.	435	+	412	=	847
3.	437	+	399	=	836
4.	448	+	345	=	793
5.	487	+	241	=	728
6.	319	+	256	=	575
7.	342	+	160	=	502
8.	383	+	113	=	496
9.	282	+	155	=	437
10.	279	+	190	=	469

Oefening 2
1.	362	+	209	=	571
2.	190	+	177	=	367
3.	302	+	100	=	402
4.	441	+	248	=	689
5.	496	+	236	=	732
6.	489	+	180	=	669
7.	498	+	223	=	721
8.	390	+	346	=	736
9.	410	+	217	=	627
10.	431	+	398	=	829

Oefening 3
1.	346	+	311	=	657
2.	309	+	188	=	497
3.	453	+	261	=	714
4.	261	+	181	=	442
5.	498	+	344	=	842
6.	443	+	155	=	598
7.	477	+	323	=	800
8.	333	+	102	=	435
9.	446	+	279	=	725
10.	439	+	249	=	688

Oefening 4
1.	174	+	112	=	286
2.	484	+	299	=	783
3.	343	+	289	=	632
4.	257	+	105	=	362
5.	441	+	242	=	683
6.	229	+	103	=	332
7.	440	+	261	=	701
8.	410	+	130	=	540
9.	479	+	342	=	821
10.	363	+	111	=	474