Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	478	+		=	685
2.	411	+		=	821
3.	425	+		=	666
4.	228	+		=	422
5.	400	+		=	630
6.	435	+		=	788
7.	406	+		=	573
8.	345	+		=	603
9.	428	+		=	844
10.	296	+		=	504

Oefening 2
1.	334	+		=	439
2.	447	+		=	560
3.	122	+		=	240
4.	317	+		=	521
5.	471	+		=	799
6.	475	+		=	654
7.	319	+		=	528
8.	377	+		=	733
9.	365	+		=	522
10.	485	+		=	903

Oefening 3
1.	451	+		=	666
2.	332	+		=	515
3.	408	+		=	644
4.	343	+		=	668
5.	482	+		=	715
6.	420	+		=	767
7.	430	+		=	582
8.	405	+		=	779
9.	310	+		=	492
10.	484	+		=	741

Oefening 4
1.	318	+		=	465
2.	333	+		=	651
3.	314	+		=	437
4.	457	+		=	606
5.	272	+		=	374
6.	461	+		=	680
7.	492	+		=	723
8.	453	+		=	796
9.	373	+		=	606
10.	384	+		=	589

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	478	+	207	=	685
2.	411	+	410	=	821
3.	425	+	241	=	666
4.	228	+	194	=	422
5.	400	+	230	=	630
6.	435	+	353	=	788
7.	406	+	167	=	573
8.	345	+	258	=	603
9.	428	+	416	=	844
10.	296	+	208	=	504

Oefening 2
1.	334	+	105	=	439
2.	447	+	113	=	560
3.	122	+	118	=	240
4.	317	+	204	=	521
5.	471	+	328	=	799
6.	475	+	179	=	654
7.	319	+	209	=	528
8.	377	+	356	=	733
9.	365	+	157	=	522
10.	485	+	418	=	903

Oefening 3
1.	451	+	215	=	666
2.	332	+	183	=	515
3.	408	+	236	=	644
4.	343	+	325	=	668
5.	482	+	233	=	715
6.	420	+	347	=	767
7.	430	+	152	=	582
8.	405	+	374	=	779
9.	310	+	182	=	492
10.	484	+	257	=	741

Oefening 4
1.	318	+	147	=	465
2.	333	+	318	=	651
3.	314	+	123	=	437
4.	457	+	149	=	606
5.	272	+	102	=	374
6.	461	+	219	=	680
7.	492	+	231	=	723
8.	453	+	343	=	796
9.	373	+	233	=	606
10.	384	+	205	=	589