Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	410	+		=	589
2.	136	+		=	251
3.	342	+		=	549
4.	388	+		=	730
5.	497	+		=	611
6.	380	+		=	483
7.	389	+		=	707
8.	225	+		=	401
9.	294	+		=	579
10.	472	+		=	650

Oefening 2
1.	394	+		=	508
2.	377	+		=	533
3.	493	+		=	682
4.	195	+		=	388
5.	175	+		=	312
6.	396	+		=	641
7.	323	+		=	500
8.	342	+		=	615
9.	441	+		=	773
10.	500	+		=	740

Oefening 3
1.	493	+		=	822
2.	221	+		=	342
3.	491	+		=	851
4.	460	+		=	689
5.	382	+		=	666
6.	330	+		=	480
7.	419	+		=	785
8.	361	+		=	528
9.	238	+		=	372
10.	175	+		=	284

Oefening 4
1.	478	+		=	842
2.	443	+		=	758
3.	289	+		=	467
4.	460	+		=	760
5.	473	+		=	876
6.	486	+		=	718
7.	495	+		=	598
8.	500	+		=	617
9.	489	+		=	760
10.	347	+		=	693

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	410	+	179	=	589
2.	136	+	115	=	251
3.	342	+	207	=	549
4.	388	+	342	=	730
5.	497	+	114	=	611
6.	380	+	103	=	483
7.	389	+	318	=	707
8.	225	+	176	=	401
9.	294	+	285	=	579
10.	472	+	178	=	650

Oefening 2
1.	394	+	114	=	508
2.	377	+	156	=	533
3.	493	+	189	=	682
4.	195	+	193	=	388
5.	175	+	137	=	312
6.	396	+	245	=	641
7.	323	+	177	=	500
8.	342	+	273	=	615
9.	441	+	332	=	773
10.	500	+	240	=	740

Oefening 3
1.	493	+	329	=	822
2.	221	+	121	=	342
3.	491	+	360	=	851
4.	460	+	229	=	689
5.	382	+	284	=	666
6.	330	+	150	=	480
7.	419	+	366	=	785
8.	361	+	167	=	528
9.	238	+	134	=	372
10.	175	+	109	=	284

Oefening 4
1.	478	+	364	=	842
2.	443	+	315	=	758
3.	289	+	178	=	467
4.	460	+	300	=	760
5.	473	+	403	=	876
6.	486	+	232	=	718
7.	495	+	103	=	598
8.	500	+	117	=	617
9.	489	+	271	=	760
10.	347	+	346	=	693