Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	358	+		=	506
2.	306	+		=	558
3.	372	+		=	738
4.	490	+		=	703
5.	437	+		=	598
6.	179	+		=	334
7.	403	+		=	772
8.	395	+		=	782
9.	377	+		=	589
10.	244	+		=	384

Oefening 2
1.	363	+		=	578
2.	244	+		=	401
3.	486	+		=	761
4.	467	+		=	932
5.	494	+		=	632
6.	284	+		=	546
7.	399	+		=	748
8.	470	+		=	760
9.	475	+		=	663
10.	492	+		=	744

Oefening 3
1.	485	+		=	761
2.	386	+		=	767
3.	479	+		=	834
4.	429	+		=	736
5.	366	+		=	642
6.	492	+		=	674
7.	411	+		=	807
8.	352	+		=	494
9.	314	+		=	445
10.	460	+		=	913

Oefening 4
1.	412	+		=	765
2.	171	+		=	278
3.	408	+		=	526
4.	382	+		=	522
5.	249	+		=	408
6.	212	+		=	405
7.	312	+		=	447
8.	476	+		=	582
9.	284	+		=	500
10.	431	+		=	656

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	358	+	148	=	506
2.	306	+	252	=	558
3.	372	+	366	=	738
4.	490	+	213	=	703
5.	437	+	161	=	598
6.	179	+	155	=	334
7.	403	+	369	=	772
8.	395	+	387	=	782
9.	377	+	212	=	589
10.	244	+	140	=	384

Oefening 2
1.	363	+	215	=	578
2.	244	+	157	=	401
3.	486	+	275	=	761
4.	467	+	465	=	932
5.	494	+	138	=	632
6.	284	+	262	=	546
7.	399	+	349	=	748
8.	470	+	290	=	760
9.	475	+	188	=	663
10.	492	+	252	=	744

Oefening 3
1.	485	+	276	=	761
2.	386	+	381	=	767
3.	479	+	355	=	834
4.	429	+	307	=	736
5.	366	+	276	=	642
6.	492	+	182	=	674
7.	411	+	396	=	807
8.	352	+	142	=	494
9.	314	+	131	=	445
10.	460	+	453	=	913

Oefening 4
1.	412	+	353	=	765
2.	171	+	107	=	278
3.	408	+	118	=	526
4.	382	+	140	=	522
5.	249	+	159	=	408
6.	212	+	193	=	405
7.	312	+	135	=	447
8.	476	+	106	=	582
9.	284	+	216	=	500
10.	431	+	225	=	656