Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	471	+		=	622
2.	333	+		=	655
3.	292	+		=	467
4.	497	+		=	655
5.	321	+		=	551
6.	436	+		=	538
7.	442	+		=	543
8.	421	+		=	615
9.	427	+		=	618
10.	409	+		=	813

Oefening 2
1.	272	+		=	462
2.	247	+		=	488
3.	487	+		=	820
4.	364	+		=	610
5.	358	+		=	543
6.	435	+		=	842
7.	398	+		=	742
8.	420	+		=	742
9.	150	+		=	287
10.	297	+		=	538

Oefening 3
1.	443	+		=	677
2.	369	+		=	677
3.	424	+		=	718
4.	292	+		=	544
5.	231	+		=	375
6.	173	+		=	322
7.	221	+		=	422
8.	494	+		=	668
9.	444	+		=	616
10.	486	+		=	851

Oefening 4
1.	142	+		=	259
2.	419	+		=	694
3.	340	+		=	462
4.	304	+		=	568
5.	435	+		=	839
6.	250	+		=	479
7.	366	+		=	611
8.	402	+		=	792
9.	192	+		=	373
10.	206	+		=	378

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	471	+	151	=	622
2.	333	+	322	=	655
3.	292	+	175	=	467
4.	497	+	158	=	655
5.	321	+	230	=	551
6.	436	+	102	=	538
7.	442	+	101	=	543
8.	421	+	194	=	615
9.	427	+	191	=	618
10.	409	+	404	=	813

Oefening 2
1.	272	+	190	=	462
2.	247	+	241	=	488
3.	487	+	333	=	820
4.	364	+	246	=	610
5.	358	+	185	=	543
6.	435	+	407	=	842
7.	398	+	344	=	742
8.	420	+	322	=	742
9.	150	+	137	=	287
10.	297	+	241	=	538

Oefening 3
1.	443	+	234	=	677
2.	369	+	308	=	677
3.	424	+	294	=	718
4.	292	+	252	=	544
5.	231	+	144	=	375
6.	173	+	149	=	322
7.	221	+	201	=	422
8.	494	+	174	=	668
9.	444	+	172	=	616
10.	486	+	365	=	851

Oefening 4
1.	142	+	117	=	259
2.	419	+	275	=	694
3.	340	+	122	=	462
4.	304	+	264	=	568
5.	435	+	404	=	839
6.	250	+	229	=	479
7.	366	+	245	=	611
8.	402	+	390	=	792
9.	192	+	181	=	373
10.	206	+	172	=	378