Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	455	+		=	781
2.	444	+		=	721
3.	476	+		=	707
4.	364	+		=	573
5.	421	+		=	788
6.	343	+		=	526
7.	291	+		=	431
8.	319	+		=	442
9.	319	+		=	464
10.	150	+		=	279

Oefening 2
1.	224	+		=	392
2.	478	+		=	743
3.	444	+		=	637
4.	455	+		=	662
5.	346	+		=	648
6.	132	+		=	236
7.	499	+		=	942
8.	360	+		=	644
9.	481	+		=	815
10.	319	+		=	627

Oefening 3
1.	336	+		=	510
2.	476	+		=	818
3.	485	+		=	818
4.	420	+		=	693
5.	269	+		=	450
6.	421	+		=	666
7.	464	+		=	758
8.	482	+		=	722
9.	398	+		=	518
10.	365	+		=	493

Oefening 4
1.	421	+		=	753
2.	445	+		=	739
3.	472	+		=	841
4.	242	+		=	363
5.	444	+		=	705
6.	370	+		=	556
7.	489	+		=	926
8.	221	+		=	390
9.	493	+		=	744
10.	150	+		=	258

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	455	+	326	=	781
2.	444	+	277	=	721
3.	476	+	231	=	707
4.	364	+	209	=	573
5.	421	+	367	=	788
6.	343	+	183	=	526
7.	291	+	140	=	431
8.	319	+	123	=	442
9.	319	+	145	=	464
10.	150	+	129	=	279

Oefening 2
1.	224	+	168	=	392
2.	478	+	265	=	743
3.	444	+	193	=	637
4.	455	+	207	=	662
5.	346	+	302	=	648
6.	132	+	104	=	236
7.	499	+	443	=	942
8.	360	+	284	=	644
9.	481	+	334	=	815
10.	319	+	308	=	627

Oefening 3
1.	336	+	174	=	510
2.	476	+	342	=	818
3.	485	+	333	=	818
4.	420	+	273	=	693
5.	269	+	181	=	450
6.	421	+	245	=	666
7.	464	+	294	=	758
8.	482	+	240	=	722
9.	398	+	120	=	518
10.	365	+	128	=	493

Oefening 4
1.	421	+	332	=	753
2.	445	+	294	=	739
3.	472	+	369	=	841
4.	242	+	121	=	363
5.	444	+	261	=	705
6.	370	+	186	=	556
7.	489	+	437	=	926
8.	221	+	169	=	390
9.	493	+	251	=	744
10.	150	+	108	=	258