Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	305	+		=	470
2.	442	+		=	583
3.	442	+		=	646
4.	413	+		=	730
5.	276	+		=	542
6.	444	+		=	858
7.	412	+		=	822
8.	143	+		=	271
9.	271	+		=	380
10.	447	+		=	591

Oefening 2
1.	478	+		=	832
2.	382	+		=	517
3.	414	+		=	690
4.	290	+		=	580
5.	381	+		=	691
6.	307	+		=	433
7.	353	+		=	699
8.	461	+		=	756
9.	262	+		=	386
10.	195	+		=	355

Oefening 3
1.	201	+		=	345
2.	454	+		=	732
3.	479	+		=	765
4.	265	+		=	452
5.	197	+		=	380
6.	328	+		=	498
7.	411	+		=	568
8.	321	+		=	533
9.	294	+		=	405
10.	377	+		=	639

Oefening 4
1.	308	+		=	558
2.	478	+		=	859
3.	387	+		=	743
4.	305	+		=	573
5.	204	+		=	316
6.	476	+		=	706
7.	431	+		=	765
8.	281	+		=	469
9.	275	+		=	397
10.	358	+		=	615

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	305	+	165	=	470
2.	442	+	141	=	583
3.	442	+	204	=	646
4.	413	+	317	=	730
5.	276	+	266	=	542
6.	444	+	414	=	858
7.	412	+	410	=	822
8.	143	+	128	=	271
9.	271	+	109	=	380
10.	447	+	144	=	591

Oefening 2
1.	478	+	354	=	832
2.	382	+	135	=	517
3.	414	+	276	=	690
4.	290	+	290	=	580
5.	381	+	310	=	691
6.	307	+	126	=	433
7.	353	+	346	=	699
8.	461	+	295	=	756
9.	262	+	124	=	386
10.	195	+	160	=	355

Oefening 3
1.	201	+	144	=	345
2.	454	+	278	=	732
3.	479	+	286	=	765
4.	265	+	187	=	452
5.	197	+	183	=	380
6.	328	+	170	=	498
7.	411	+	157	=	568
8.	321	+	212	=	533
9.	294	+	111	=	405
10.	377	+	262	=	639

Oefening 4
1.	308	+	250	=	558
2.	478	+	381	=	859
3.	387	+	356	=	743
4.	305	+	268	=	573
5.	204	+	112	=	316
6.	476	+	230	=	706
7.	431	+	334	=	765
8.	281	+	188	=	469
9.	275	+	122	=	397
10.	358	+	257	=	615