Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	191	+		=	376
2.	438	+		=	617
3.	210	+		=	316
4.	500	+		=	848
5.	330	+		=	503
6.	371	+		=	498
7.	498	+		=	821
8.	359	+		=	592
9.	369	+		=	538
10.	362	+		=	607

Oefening 2
1.	459	+		=	724
2.	281	+		=	515
3.	401	+		=	792
4.	331	+		=	635
5.	464	+		=	854
6.	334	+		=	464
7.	347	+		=	517
8.	311	+		=	448
9.	494	+		=	932
10.	205	+		=	363

Oefening 3
1.	419	+		=	540
2.	278	+		=	412
3.	322	+		=	515
4.	334	+		=	466
5.	423	+		=	751
6.	288	+		=	456
7.	249	+		=	449
8.	333	+		=	504
9.	428	+		=	647
10.	389	+		=	725

Oefening 4
1.	276	+		=	471
2.	400	+		=	666
3.	307	+		=	610
4.	158	+		=	271
5.	280	+		=	420
6.	461	+		=	623
7.	131	+		=	233
8.	379	+		=	743
9.	300	+		=	562
10.	483	+		=	724

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	191	+	185	=	376
2.	438	+	179	=	617
3.	210	+	106	=	316
4.	500	+	348	=	848
5.	330	+	173	=	503
6.	371	+	127	=	498
7.	498	+	323	=	821
8.	359	+	233	=	592
9.	369	+	169	=	538
10.	362	+	245	=	607

Oefening 2
1.	459	+	265	=	724
2.	281	+	234	=	515
3.	401	+	391	=	792
4.	331	+	304	=	635
5.	464	+	390	=	854
6.	334	+	130	=	464
7.	347	+	170	=	517
8.	311	+	137	=	448
9.	494	+	438	=	932
10.	205	+	158	=	363

Oefening 3
1.	419	+	121	=	540
2.	278	+	134	=	412
3.	322	+	193	=	515
4.	334	+	132	=	466
5.	423	+	328	=	751
6.	288	+	168	=	456
7.	249	+	200	=	449
8.	333	+	171	=	504
9.	428	+	219	=	647
10.	389	+	336	=	725

Oefening 4
1.	276	+	195	=	471
2.	400	+	266	=	666
3.	307	+	303	=	610
4.	158	+	113	=	271
5.	280	+	140	=	420
6.	461	+	162	=	623
7.	131	+	102	=	233
8.	379	+	364	=	743
9.	300	+	262	=	562
10.	483	+	241	=	724